Home / 276,650.29-414,990.17-87,125.47

Finding the Fourth Proportional to 276,650.29, 414,990.17 and 87,125.47

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Solution

The fourth proportional to 276,650.29, 414,990.17 and 87,125.47 is: 130,692.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,650.29 : 414,990.17 = 87,125.47 : x
  2. Step 2: Convert to fraction form
    276,650.29/414,990.17 = 87,125.47/x
  3. Step 3: Cross multiply
    276,650.29x = 414,990.17 × 87,125.47
  4. Step 4: Simplify right side
    276,650.29x = 36,156,212,260.35
  5. Step 5: Solve for x
    x = 36,156,212,260.35/276,650.29
  6. Step 6: Final answer
    x = 130,692.84

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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.