Home / 631,149.21-946,732.19-210,425.22

Finding the Fourth Proportional to 631,149.21, 946,732.19 and 210,425.22

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Solution

The fourth proportional to 631,149.21, 946,732.19 and 210,425.22 is: 315,640.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,149.21 : 946,732.19 = 210,425.22 : x
  2. Step 2: Convert to fraction form
    631,149.21/946,732.19 = 210,425.22/x
  3. Step 3: Cross multiply
    631,149.21x = 946,732.19 × 210,425.22
  4. Step 4: Simplify right side
    631,149.21x = 199,216,333,438.14
  5. Step 5: Solve for x
    x = 199,216,333,438.14/631,149.21
  6. Step 6: Final answer
    x = 315,640.63

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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.