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Finding the Fourth Proportional to 373,764.42, 560,643.75 and 93,279.78

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Solution

The fourth proportional to 373,764.42, 560,643.75 and 93,279.78 is: 139,918.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,764.42 : 560,643.75 = 93,279.78 : x
  2. Step 2: Convert to fraction form
    373,764.42/560,643.75 = 93,279.78/x
  3. Step 3: Cross multiply
    373,764.42x = 560,643.75 × 93,279.78
  4. Step 4: Simplify right side
    373,764.42x = 52,296,725,658.38
  5. Step 5: Solve for x
    x = 52,296,725,658.38/373,764.42
  6. Step 6: Final answer
    x = 139,918.95

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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.