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Finding the Fourth Proportional to 373,766.46, 515,856.78 and 237,658.52

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Solution

The fourth proportional to 373,766.46, 515,856.78 and 237,658.52 is: 328,006.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,766.46 : 515,856.78 = 237,658.52 : x
  2. Step 2: Convert to fraction form
    373,766.46/515,856.78 = 237,658.52/x
  3. Step 3: Cross multiply
    373,766.46x = 515,856.78 × 237,658.52
  4. Step 4: Simplify right side
    373,766.46x = 122,597,758,866.77
  5. Step 5: Solve for x
    x = 122,597,758,866.77/373,766.46
  6. Step 6: Final answer
    x = 328,006.31

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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.