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Finding the Fourth Proportional to 397,882.90, 596,830.56 and 221,510.89

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Solution

The fourth proportional to 397,882.90, 596,830.56 and 221,510.89 is: 332,269.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,882.90 : 596,830.56 = 221,510.89 : x
  2. Step 2: Convert to fraction form
    397,882.90/596,830.56 = 221,510.89/x
  3. Step 3: Cross multiply
    397,882.90x = 596,830.56 × 221,510.89
  4. Step 4: Simplify right side
    397,882.90x = 132,204,468,524.80
  5. Step 5: Solve for x
    x = 132,204,468,524.80/397,882.90
  6. Step 6: Final answer
    x = 332,269.79

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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.