Home / 254,879.24-382,294.13-77,387.78

Finding the Fourth Proportional to 254,879.24, 382,294.13 and 77,387.78

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Solution

The fourth proportional to 254,879.24, 382,294.13 and 77,387.78 is: 116,074.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,879.24 : 382,294.13 = 77,387.78 : x
  2. Step 2: Convert to fraction form
    254,879.24/382,294.13 = 77,387.78/x
  3. Step 3: Cross multiply
    254,879.24x = 382,294.13 × 77,387.78
  4. Step 4: Simplify right side
    254,879.24x = 29,584,894,790.00
  5. Step 5: Solve for x
    x = 29,584,894,790.00/254,879.24
  6. Step 6: Final answer
    x = 116,074.17

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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.