Home / 382,121.28-527,338.08-220,960.80

Finding the Fourth Proportional to 382,121.28, 527,338.08 and 220,960.80

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Solution

The fourth proportional to 382,121.28, 527,338.08 and 220,960.80 is: 304,932.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,121.28 : 527,338.08 = 220,960.80 : x
  2. Step 2: Convert to fraction form
    382,121.28/527,338.08 = 220,960.80/x
  3. Step 3: Cross multiply
    382,121.28x = 527,338.08 × 220,960.80
  4. Step 4: Simplify right side
    382,121.28x = 116,521,044,027.26
  5. Step 5: Solve for x
    x = 116,521,044,027.26/382,121.28
  6. Step 6: Final answer
    x = 304,932.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.