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Finding the Fourth Proportional to 532,771.78, 799,158.20 and 148,505.29

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Solution

The fourth proportional to 532,771.78, 799,158.20 and 148,505.29 is: 222,758.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,771.78 : 799,158.20 = 148,505.29 : x
  2. Step 2: Convert to fraction form
    532,771.78/799,158.20 = 148,505.29/x
  3. Step 3: Cross multiply
    532,771.78x = 799,158.20 × 148,505.29
  4. Step 4: Simplify right side
    532,771.78x = 118,679,215,508.56
  5. Step 5: Solve for x
    x = 118,679,215,508.56/532,771.78
  6. Step 6: Final answer
    x = 222,758.07

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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.