Home / 275,956.20-413,934.30-88,986.60

Finding the Fourth Proportional to 275,956.20, 413,934.30 and 88,986.60

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Solution

The fourth proportional to 275,956.20, 413,934.30 and 88,986.60 is: 133,479.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,956.20 : 413,934.30 = 88,986.60 : x
  2. Step 2: Convert to fraction form
    275,956.20/413,934.30 = 88,986.60/x
  3. Step 3: Cross multiply
    275,956.20x = 413,934.30 × 88,986.60
  4. Step 4: Simplify right side
    275,956.20x = 36,834,605,980.38
  5. Step 5: Solve for x
    x = 36,834,605,980.38/275,956.20
  6. Step 6: Final answer
    x = 133,479.90

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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.