Home / 302,481.60-453,434.40-112,891.20

Finding the Fourth Proportional to 302,481.60, 453,434.40 and 112,891.20

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Solution

The fourth proportional to 302,481.60, 453,434.40 and 112,891.20 is: 169,229.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,481.60 : 453,434.40 = 112,891.20 : x
  2. Step 2: Convert to fraction form
    302,481.60/453,434.40 = 112,891.20/x
  3. Step 3: Cross multiply
    302,481.60x = 453,434.40 × 112,891.20
  4. Step 4: Simplify right side
    302,481.60x = 51,188,753,537.28
  5. Step 5: Solve for x
    x = 51,188,753,537.28/302,481.60
  6. Step 6: Final answer
    x = 169,229.31

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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.