Home / 631,167.12-946,759.05-210,443.13

Finding the Fourth Proportional to 631,167.12, 946,759.05 and 210,443.13

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Solution

The fourth proportional to 631,167.12, 946,759.05 and 210,443.13 is: 315,667.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,167.12 : 946,759.05 = 210,443.13 : x
  2. Step 2: Convert to fraction form
    631,167.12/946,759.05 = 210,443.13/x
  3. Step 3: Cross multiply
    631,167.12x = 946,759.05 × 210,443.13
  4. Step 4: Simplify right side
    631,167.12x = 199,238,937,837.83
  5. Step 5: Solve for x
    x = 199,238,937,837.83/631,167.12
  6. Step 6: Final answer
    x = 315,667.49

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Half scale
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Double scale
Find fourth proportional to 631,168.12, 946,760.55 and 210,444.13
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.