Home / 358,821.28-538,045.05-169,230.73

Finding the Fourth Proportional to 358,821.28, 538,045.05 and 169,230.73

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Solution

The fourth proportional to 358,821.28, 538,045.05 and 169,230.73 is: 253,757.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,821.28 : 538,045.05 = 169,230.73 : x
  2. Step 2: Convert to fraction form
    358,821.28/538,045.05 = 169,230.73/x
  3. Step 3: Cross multiply
    358,821.28x = 538,045.05 × 169,230.73
  4. Step 4: Simplify right side
    358,821.28x = 91,053,756,584.39
  5. Step 5: Solve for x
    x = 91,053,756,584.39/358,821.28
  6. Step 6: Final answer
    x = 253,757.96

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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.