Home / 276,377.40-414,542.20-168,278.85

Finding the Fourth Proportional to 276,377.40, 414,542.20 and 168,278.85

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Solution

The fourth proportional to 276,377.40, 414,542.20 and 168,278.85 is: 252,403.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,377.40 : 414,542.20 = 168,278.85 : x
  2. Step 2: Convert to fraction form
    276,377.40/414,542.20 = 168,278.85/x
  3. Step 3: Cross multiply
    276,377.40x = 414,542.20 × 168,278.85
  4. Step 4: Simplify right side
    276,377.40x = 69,758,684,692.47
  5. Step 5: Solve for x
    x = 69,758,684,692.47/276,377.40
  6. Step 6: Final answer
    x = 252,403.72

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1.5x scale

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.