Home / 278,401.32-417,397.50-88,752.60

Finding the Fourth Proportional to 278,401.32, 417,397.50 and 88,752.60

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Solution

The fourth proportional to 278,401.32, 417,397.50 and 88,752.60 is: 133,063.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,401.32 : 417,397.50 = 88,752.60 : x
  2. Step 2: Convert to fraction form
    278,401.32/417,397.50 = 88,752.60/x
  3. Step 3: Cross multiply
    278,401.32x = 417,397.50 × 88,752.60
  4. Step 4: Simplify right side
    278,401.32x = 37,045,113,358.50
  5. Step 5: Solve for x
    x = 37,045,113,358.50/278,401.32
  6. Step 6: Final answer
    x = 133,063.71

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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.