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Finding the Fourth Proportional to 295,454.88, 442,876.14 and 137,553.48

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Solution

The fourth proportional to 295,454.88, 442,876.14 and 137,553.48 is: 206,187.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,454.88 : 442,876.14 = 137,553.48 : x
  2. Step 2: Convert to fraction form
    295,454.88/442,876.14 = 137,553.48/x
  3. Step 3: Cross multiply
    295,454.88x = 442,876.14 × 137,553.48
  4. Step 4: Simplify right side
    295,454.88x = 60,919,154,265.97
  5. Step 5: Solve for x
    x = 60,919,154,265.97/295,454.88
  6. Step 6: Final answer
    x = 206,187.67

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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.