Home / 278,155.32-417,265.56-88,549.26

Finding the Fourth Proportional to 278,155.32, 417,265.56 and 88,549.26

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Solution

The fourth proportional to 278,155.32, 417,265.56 and 88,549.26 is: 132,834.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,155.32 : 417,265.56 = 88,549.26 : x
  2. Step 2: Convert to fraction form
    278,155.32/417,265.56 = 88,549.26/x
  3. Step 3: Cross multiply
    278,155.32x = 417,265.56 × 88,549.26
  4. Step 4: Simplify right side
    278,155.32x = 36,948,556,561.49
  5. Step 5: Solve for x
    x = 36,948,556,561.49/278,155.32
  6. Step 6: Final answer
    x = 132,834.26

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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.