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Finding the Fourth Proportional to 504,641.01, 757,107.60 and 149,663.55

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Solution

The fourth proportional to 504,641.01, 757,107.60 and 149,663.55 is: 224,538.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,641.01 : 757,107.60 = 149,663.55 : x
  2. Step 2: Convert to fraction form
    504,641.01/757,107.60 = 149,663.55/x
  3. Step 3: Cross multiply
    504,641.01x = 757,107.60 × 149,663.55
  4. Step 4: Simplify right side
    504,641.01x = 113,311,411,147.98
  5. Step 5: Solve for x
    x = 113,311,411,147.98/504,641.01
  6. Step 6: Final answer
    x = 224,538.65

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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.