Home / 331,717.52-497,281.61-129,266.76

Finding the Fourth Proportional to 331,717.52, 497,281.61 and 129,266.76

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Solution

The fourth proportional to 331,717.52, 497,281.61 and 129,266.76 is: 193,785.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,717.52 : 497,281.61 = 129,266.76 : x
  2. Step 2: Convert to fraction form
    331,717.52/497,281.61 = 129,266.76/x
  3. Step 3: Cross multiply
    331,717.52x = 497,281.61 × 129,266.76
  4. Step 4: Simplify right side
    331,717.52x = 64,281,982,532.28
  5. Step 5: Solve for x
    x = 64,281,982,532.28/331,717.52
  6. Step 6: Final answer
    x = 193,785.31

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1.5x scale

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.