Home / 268,766.24-403,207.70-81,772.88

Finding the Fourth Proportional to 268,766.24, 403,207.70 and 81,772.88

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Solution

The fourth proportional to 268,766.24, 403,207.70 and 81,772.88 is: 122,677.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,766.24 : 403,207.70 = 81,772.88 : x
  2. Step 2: Convert to fraction form
    268,766.24/403,207.70 = 81,772.88/x
  3. Step 3: Cross multiply
    268,766.24x = 403,207.70 × 81,772.88
  4. Step 4: Simplify right side
    268,766.24x = 32,971,452,442.27
  5. Step 5: Solve for x
    x = 32,971,452,442.27/268,766.24
  6. Step 6: Final answer
    x = 122,677.06

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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.