Home / 278,119.50-417,041.23-88,555.17

Finding the Fourth Proportional to 278,119.50, 417,041.23 and 88,555.17

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Solution

The fourth proportional to 278,119.50, 417,041.23 and 88,555.17 is: 132,788.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,119.50 : 417,041.23 = 88,555.17 : x
  2. Step 2: Convert to fraction form
    278,119.50/417,041.23 = 88,555.17/x
  3. Step 3: Cross multiply
    278,119.50x = 417,041.23 × 88,555.17
  4. Step 4: Simplify right side
    278,119.50x = 36,931,157,019.66
  5. Step 5: Solve for x
    x = 36,931,157,019.66/278,119.50
  6. Step 6: Final answer
    x = 132,788.81

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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.