Home / 285,929.68-428,769.90-96,354.70

Finding the Fourth Proportional to 285,929.68, 428,769.90 and 96,354.70

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Solution

The fourth proportional to 285,929.68, 428,769.90 and 96,354.70 is: 144,490.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,929.68 : 428,769.90 = 96,354.70 : x
  2. Step 2: Convert to fraction form
    285,929.68/428,769.90 = 96,354.70/x
  3. Step 3: Cross multiply
    285,929.68x = 428,769.90 × 96,354.70
  4. Step 4: Simplify right side
    285,929.68x = 41,313,995,083.53
  5. Step 5: Solve for x
    x = 41,313,995,083.53/285,929.68
  6. Step 6: Final answer
    x = 144,490.05

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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.