Home / 284,265.12-392,285.76-156,949.44

Finding the Fourth Proportional to 284,265.12, 392,285.76 and 156,949.44

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Solution

The fourth proportional to 284,265.12, 392,285.76 and 156,949.44 is: 216,590.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,265.12 : 392,285.76 = 156,949.44 : x
  2. Step 2: Convert to fraction form
    284,265.12/392,285.76 = 156,949.44/x
  3. Step 3: Cross multiply
    284,265.12x = 392,285.76 × 156,949.44
  4. Step 4: Simplify right side
    284,265.12x = 61,569,030,351.97
  5. Step 5: Solve for x
    x = 61,569,030,351.97/284,265.12
  6. Step 6: Final answer
    x = 216,590.17

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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.