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Finding the Fourth Proportional to 337,439.52, 505,116.80 and 185,255.91

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Solution

The fourth proportional to 337,439.52, 505,116.80 and 185,255.91 is: 277,311.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,439.52 : 505,116.80 = 185,255.91 : x
  2. Step 2: Convert to fraction form
    337,439.52/505,116.80 = 185,255.91/x
  3. Step 3: Cross multiply
    337,439.52x = 505,116.80 × 185,255.91
  4. Step 4: Simplify right side
    337,439.52x = 93,575,872,440.29
  5. Step 5: Solve for x
    x = 93,575,872,440.29/337,439.52
  6. Step 6: Final answer
    x = 277,311.54

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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.