Home / 285,929.17-428,769.15-96,354.21

Finding the Fourth Proportional to 285,929.17, 428,769.15 and 96,354.21

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Solution

The fourth proportional to 285,929.17, 428,769.15 and 96,354.21 is: 144,489.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,929.17 : 428,769.15 = 96,354.21 : x
  2. Step 2: Convert to fraction form
    285,929.17/428,769.15 = 96,354.21/x
  3. Step 3: Cross multiply
    285,929.17x = 428,769.15 × 96,354.21
  4. Step 4: Simplify right side
    285,929.17x = 41,313,712,720.62
  5. Step 5: Solve for x
    x = 41,313,712,720.62/285,929.17
  6. Step 6: Final answer
    x = 144,489.32

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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.