Home / 358,789.20-495,132.48-197,649.96

Finding the Fourth Proportional to 358,789.20, 495,132.48 and 197,649.96

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Solution

The fourth proportional to 358,789.20, 495,132.48 and 197,649.96 is: 272,758.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,789.20 : 495,132.48 = 197,649.96 : x
  2. Step 2: Convert to fraction form
    358,789.20/495,132.48 = 197,649.96/x
  3. Step 3: Cross multiply
    358,789.20x = 495,132.48 × 197,649.96
  4. Step 4: Simplify right side
    358,789.20x = 97,862,914,866.70
  5. Step 5: Solve for x
    x = 97,862,914,866.70/358,789.20
  6. Step 6: Final answer
    x = 272,758.81

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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.