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Finding the Fourth Proportional to 437,645.60, 656,458.80 and 122,093.60

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Solution

The fourth proportional to 437,645.60, 656,458.80 and 122,093.60 is: 183,137.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,645.60 : 656,458.80 = 122,093.60 : x
  2. Step 2: Convert to fraction form
    437,645.60/656,458.80 = 122,093.60/x
  3. Step 3: Cross multiply
    437,645.60x = 656,458.80 × 122,093.60
  4. Step 4: Simplify right side
    437,645.60x = 80,149,418,143.68
  5. Step 5: Solve for x
    x = 80,149,418,143.68/437,645.60
  6. Step 6: Final answer
    x = 183,137.72

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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.