Home / 351,947.43-485,560.17-231,154.16

Finding the Fourth Proportional to 351,947.43, 485,560.17 and 231,154.16

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Solution

The fourth proportional to 351,947.43, 485,560.17 and 231,154.16 is: 318,909.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,947.43 : 485,560.17 = 231,154.16 : x
  2. Step 2: Convert to fraction form
    351,947.43/485,560.17 = 231,154.16/x
  3. Step 3: Cross multiply
    351,947.43x = 485,560.17 × 231,154.16
  4. Step 4: Simplify right side
    351,947.43x = 112,239,250,798.01
  5. Step 5: Solve for x
    x = 112,239,250,798.01/351,947.43
  6. Step 6: Final answer
    x = 318,909.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.