Home / 324,787.95-487,237.82-111,545.73

Finding the Fourth Proportional to 324,787.95, 487,237.82 and 111,545.73

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Solution

The fourth proportional to 324,787.95, 487,237.82 and 111,545.73 is: 167,337.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,787.95 : 487,237.82 = 111,545.73 : x
  2. Step 2: Convert to fraction form
    324,787.95/487,237.82 = 111,545.73/x
  3. Step 3: Cross multiply
    324,787.95x = 487,237.82 × 111,545.73
  4. Step 4: Simplify right side
    324,787.95x = 54,349,297,757.78
  5. Step 5: Solve for x
    x = 54,349,297,757.78/324,787.95
  6. Step 6: Final answer
    x = 167,337.79

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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.