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Finding the Fourth Proportional to 373,785.98, 560,333.57 and 149,091.75

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Solution

The fourth proportional to 373,785.98, 560,333.57 and 149,091.75 is: 223,499.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,785.98 : 560,333.57 = 149,091.75 : x
  2. Step 2: Convert to fraction form
    373,785.98/560,333.57 = 149,091.75/x
  3. Step 3: Cross multiply
    373,785.98x = 560,333.57 × 149,091.75
  4. Step 4: Simplify right side
    373,785.98x = 83,541,111,789.59
  5. Step 5: Solve for x
    x = 83,541,111,789.59/373,785.98
  6. Step 6: Final answer
    x = 223,499.86

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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.