Home / 331,663.20-457,707.90-180,760.20

Finding the Fourth Proportional to 331,663.20, 457,707.90 and 180,760.20

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Solution

The fourth proportional to 331,663.20, 457,707.90 and 180,760.20 is: 249,455.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,663.20 : 457,707.90 = 180,760.20 : x
  2. Step 2: Convert to fraction form
    331,663.20/457,707.90 = 180,760.20/x
  3. Step 3: Cross multiply
    331,663.20x = 457,707.90 × 180,760.20
  4. Step 4: Simplify right side
    331,663.20x = 82,735,371,545.58
  5. Step 5: Solve for x
    x = 82,735,371,545.58/331,663.20
  6. Step 6: Final answer
    x = 249,455.99

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1.5x scale

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.