Home / 254,879.18-382,294.04-77,387.73

Finding the Fourth Proportional to 254,879.18, 382,294.04 and 77,387.73

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Solution

The fourth proportional to 254,879.18, 382,294.04 and 77,387.73 is: 116,074.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,879.18 : 382,294.04 = 77,387.73 : x
  2. Step 2: Convert to fraction form
    254,879.18/382,294.04 = 77,387.73/x
  3. Step 3: Cross multiply
    254,879.18x = 382,294.04 × 77,387.73
  4. Step 4: Simplify right side
    254,879.18x = 29,584,866,127.59
  5. Step 5: Solve for x
    x = 29,584,866,127.59/254,879.18
  6. Step 6: Final answer
    x = 116,074.08

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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.