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Finding the Fourth Proportional to 373,681.58, 560,452.52 and 100,131

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Solution

The fourth proportional to 373,681.58, 560,452.52 and 100,131 is: 150,177.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,681.58 : 560,452.52 = 100,131 : x
  2. Step 2: Convert to fraction form
    373,681.58/560,452.52 = 100,131/x
  3. Step 3: Cross multiply
    373,681.58x = 560,452.52 × 100,131
  4. Step 4: Simplify right side
    373,681.58x = 56,118,670,779.47
  5. Step 5: Solve for x
    x = 56,118,670,779.47/373,681.58
  6. Step 6: Final answer
    x = 150,177.78

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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.