Home / 331,731.62-457,789.66-180,828.62

Finding the Fourth Proportional to 331,731.62, 457,789.66 and 180,828.62

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Solution

The fourth proportional to 331,731.62, 457,789.66 and 180,828.62 is: 249,543.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,731.62 : 457,789.66 = 180,828.62 : x
  2. Step 2: Convert to fraction form
    331,731.62/457,789.66 = 180,828.62/x
  3. Step 3: Cross multiply
    331,731.62x = 457,789.66 × 180,828.62
  4. Step 4: Simplify right side
    331,731.62x = 82,781,472,468.07
  5. Step 5: Solve for x
    x = 82,781,472,468.07/331,731.62
  6. Step 6: Final answer
    x = 249,543.51

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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.