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Finding the Fourth Proportional to 437,748.32, 656,651.64 and 138,241.10

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Solution

The fourth proportional to 437,748.32, 656,651.64 and 138,241.10 is: 207,370.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,748.32 : 656,651.64 = 138,241.10 : x
  2. Step 2: Convert to fraction form
    437,748.32/656,651.64 = 138,241.10/x
  3. Step 3: Cross multiply
    437,748.32x = 656,651.64 × 138,241.10
  4. Step 4: Simplify right side
    437,748.32x = 90,776,245,030.40
  5. Step 5: Solve for x
    x = 90,776,245,030.40/437,748.32
  6. Step 6: Final answer
    x = 207,370.86

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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.