Home / 498,764.48-748,251.85-161,778.91

Finding the Fourth Proportional to 498,764.48, 748,251.85 and 161,778.91

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Solution

The fourth proportional to 498,764.48, 748,251.85 and 161,778.91 is: 242,702.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,764.48 : 748,251.85 = 161,778.91 : x
  2. Step 2: Convert to fraction form
    498,764.48/748,251.85 = 161,778.91/x
  3. Step 3: Cross multiply
    498,764.48x = 748,251.85 × 161,778.91
  4. Step 4: Simplify right side
    498,764.48x = 121,051,370,240.47
  5. Step 5: Solve for x
    x = 121,051,370,240.47/498,764.48
  6. Step 6: Final answer
    x = 242,702.47

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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.