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Finding the Fourth Proportional to 439,601.60, 659,499.60 and 202,887.20

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Solution

The fourth proportional to 439,601.60, 659,499.60 and 202,887.20 is: 304,375.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,601.60 : 659,499.60 = 202,887.20 : x
  2. Step 2: Convert to fraction form
    439,601.60/659,499.60 = 202,887.20/x
  3. Step 3: Cross multiply
    439,601.60x = 659,499.60 × 202,887.20
  4. Step 4: Simplify right side
    439,601.60x = 133,804,027,245.12
  5. Step 5: Solve for x
    x = 133,804,027,245.12/439,601.60
  6. Step 6: Final answer
    x = 304,375.66

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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.