Home / 475,217.28-655,562.16-284,180.40

Finding the Fourth Proportional to 475,217.28, 655,562.16 and 284,180.40

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Solution

The fourth proportional to 475,217.28, 655,562.16 and 284,180.40 is: 392,026.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,217.28 : 655,562.16 = 284,180.40 : x
  2. Step 2: Convert to fraction form
    475,217.28/655,562.16 = 284,180.40/x
  3. Step 3: Cross multiply
    475,217.28x = 655,562.16 × 284,180.40
  4. Step 4: Simplify right side
    475,217.28x = 186,297,916,853.66
  5. Step 5: Solve for x
    x = 186,297,916,853.66/475,217.28
  6. Step 6: Final answer
    x = 392,026.82

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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.