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Finding the Fourth Proportional to 240,602.52, 332,024.87 and 137,234.37

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Solution

The fourth proportional to 240,602.52, 332,024.87 and 137,234.37 is: 189,379.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,602.52 : 332,024.87 = 137,234.37 : x
  2. Step 2: Convert to fraction form
    240,602.52/332,024.87 = 137,234.37/x
  3. Step 3: Cross multiply
    240,602.52x = 332,024.87 × 137,234.37
  4. Step 4: Simplify right side
    240,602.52x = 45,565,223,858.78
  5. Step 5: Solve for x
    x = 45,565,223,858.78/240,602.52
  6. Step 6: Final answer
    x = 189,379.66

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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.