Home / 465,139.40-641,962.28-283,956.58

Finding the Fourth Proportional to 465,139.40, 641,962.28 and 283,956.58

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Solution

The fourth proportional to 465,139.40, 641,962.28 and 283,956.58 is: 391,902.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,139.40 : 641,962.28 = 283,956.58 : x
  2. Step 2: Convert to fraction form
    465,139.40/641,962.28 = 283,956.58/x
  3. Step 3: Cross multiply
    465,139.40x = 641,962.28 × 283,956.58
  4. Step 4: Simplify right side
    465,139.40x = 182,289,413,517.80
  5. Step 5: Solve for x
    x = 182,289,413,517.80/465,139.40
  6. Step 6: Final answer
    x = 391,902.76

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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.