Home / 631,169.12-946,762.05-210,445.13

Finding the Fourth Proportional to 631,169.12, 946,762.05 and 210,445.13

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Solution

The fourth proportional to 631,169.12, 946,762.05 and 210,445.13 is: 315,670.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,169.12 : 946,762.05 = 210,445.13 : x
  2. Step 2: Convert to fraction form
    631,169.12/946,762.05 = 210,445.13/x
  3. Step 3: Cross multiply
    631,169.12x = 946,762.05 × 210,445.13
  4. Step 4: Simplify right side
    631,169.12x = 199,241,462,691.32
  5. Step 5: Solve for x
    x = 199,241,462,691.32/631,169.12
  6. Step 6: Final answer
    x = 315,670.49

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Double scale
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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.