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Finding the Fourth Proportional to 361,165.92, 498,491.88 and 240,312.28

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Solution

The fourth proportional to 361,165.92, 498,491.88 and 240,312.28 is: 331,686.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,165.92 : 498,491.88 = 240,312.28 : x
  2. Step 2: Convert to fraction form
    361,165.92/498,491.88 = 240,312.28/x
  3. Step 3: Cross multiply
    361,165.92x = 498,491.88 × 240,312.28
  4. Step 4: Simplify right side
    361,165.92x = 119,793,720,244.29
  5. Step 5: Solve for x
    x = 119,793,720,244.29/361,165.92
  6. Step 6: Final answer
    x = 331,686.11

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1.5x scale

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.