Home / 283,930.20-425,895.30-84,281.40

Finding the Fourth Proportional to 283,930.20, 425,895.30 and 84,281.40

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Solution

The fourth proportional to 283,930.20, 425,895.30 and 84,281.40 is: 126,422.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,930.20 : 425,895.30 = 84,281.40 : x
  2. Step 2: Convert to fraction form
    283,930.20/425,895.30 = 84,281.40/x
  3. Step 3: Cross multiply
    283,930.20x = 425,895.30 × 84,281.40
  4. Step 4: Simplify right side
    283,930.20x = 35,895,052,137.42
  5. Step 5: Solve for x
    x = 35,895,052,137.42/283,930.20
  6. Step 6: Final answer
    x = 126,422.10

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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.