Home / 397,956.20-596,934.30-148,605.80

Finding the Fourth Proportional to 397,956.20, 596,934.30 and 148,605.80

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Solution

The fourth proportional to 397,956.20, 596,934.30 and 148,605.80 is: 222,908.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,956.20 : 596,934.30 = 148,605.80 : x
  2. Step 2: Convert to fraction form
    397,956.20/596,934.30 = 148,605.80/x
  3. Step 3: Cross multiply
    397,956.20x = 596,934.30 × 148,605.80
  4. Step 4: Simplify right side
    397,956.20x = 88,707,899,198.94
  5. Step 5: Solve for x
    x = 88,707,899,198.94/397,956.20
  6. Step 6: Final answer
    x = 222,908.70

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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.