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Finding the Fourth Proportional to 252,616.60, 378,050.10 and 173,884.60

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Solution

The fourth proportional to 252,616.60, 378,050.10 and 173,884.60 is: 260,224.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,616.60 : 378,050.10 = 173,884.60 : x
  2. Step 2: Convert to fraction form
    252,616.60/378,050.10 = 173,884.60/x
  3. Step 3: Cross multiply
    252,616.60x = 378,050.10 × 173,884.60
  4. Step 4: Simplify right side
    252,616.60x = 65,737,090,418.46
  5. Step 5: Solve for x
    x = 65,737,090,418.46/252,616.60
  6. Step 6: Final answer
    x = 260,224.75

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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.