Home / 215,332.20-322,232.85-187,557.30

Finding the Fourth Proportional to 215,332.20, 322,232.85 and 187,557.30

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Solution

The fourth proportional to 215,332.20, 322,232.85 and 187,557.30 is: 280,669.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,332.20 : 322,232.85 = 187,557.30 : x
  2. Step 2: Convert to fraction form
    215,332.20/322,232.85 = 187,557.30/x
  3. Step 3: Cross multiply
    215,332.20x = 322,232.85 × 187,557.30
  4. Step 4: Simplify right side
    215,332.20x = 60,437,123,317.31
  5. Step 5: Solve for x
    x = 60,437,123,317.31/215,332.20
  6. Step 6: Final answer
    x = 280,669.23

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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.