Home / 283,895.96-425,932.77-84,217.40

Finding the Fourth Proportional to 283,895.96, 425,932.77 and 84,217.40

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Solution

The fourth proportional to 283,895.96, 425,932.77 and 84,217.40 is: 126,352.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,895.96 : 425,932.77 = 84,217.40 : x
  2. Step 2: Convert to fraction form
    283,895.96/425,932.77 = 84,217.40/x
  3. Step 3: Cross multiply
    283,895.96x = 425,932.77 × 84,217.40
  4. Step 4: Simplify right side
    283,895.96x = 35,870,948,334.53
  5. Step 5: Solve for x
    x = 35,870,948,334.53/283,895.96
  6. Step 6: Final answer
    x = 126,352.45

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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.