Home / 284,176.45-426,335.30-84,496.53

Finding the Fourth Proportional to 284,176.45, 426,335.30 and 84,496.53

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Solution

The fourth proportional to 284,176.45, 426,335.30 and 84,496.53 is: 126,765.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,176.45 : 426,335.30 = 84,496.53 : x
  2. Step 2: Convert to fraction form
    284,176.45/426,335.30 = 84,496.53/x
  3. Step 3: Cross multiply
    284,176.45x = 426,335.30 × 84,496.53
  4. Step 4: Simplify right side
    284,176.45x = 36,023,854,959.65
  5. Step 5: Solve for x
    x = 36,023,854,959.65/284,176.45
  6. Step 6: Final answer
    x = 126,765.80

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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.