Home / 493,281.20-680,729.85-266,926.70

Finding the Fourth Proportional to 493,281.20, 680,729.85 and 266,926.70

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Solution

The fourth proportional to 493,281.20, 680,729.85 and 266,926.70 is: 368,359.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,281.20 : 680,729.85 = 266,926.70 : x
  2. Step 2: Convert to fraction form
    493,281.20/680,729.85 = 266,926.70/x
  3. Step 3: Cross multiply
    493,281.20x = 680,729.85 × 266,926.70
  4. Step 4: Simplify right side
    493,281.20x = 181,704,972,452.00
  5. Step 5: Solve for x
    x = 181,704,972,452.00/493,281.20
  6. Step 6: Final answer
    x = 368,359.82

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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.