Home / 276,426.16-414,592.99-76,766.73

Finding the Fourth Proportional to 276,426.16, 414,592.99 and 76,766.73

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Solution

The fourth proportional to 276,426.16, 414,592.99 and 76,766.73 is: 115,137.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,426.16 : 414,592.99 = 76,766.73 : x
  2. Step 2: Convert to fraction form
    276,426.16/414,592.99 = 76,766.73/x
  3. Step 3: Cross multiply
    276,426.16x = 414,592.99 × 76,766.73
  4. Step 4: Simplify right side
    276,426.16x = 31,826,948,123.22
  5. Step 5: Solve for x
    x = 31,826,948,123.22/276,426.16
  6. Step 6: Final answer
    x = 115,137.25

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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.