Home / 254,786.24-382,194.56-77,294.72

Finding the Fourth Proportional to 254,786.24, 382,194.56 and 77,294.72

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Solution

The fourth proportional to 254,786.24, 382,194.56 and 77,294.72 is: 115,946.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,786.24 : 382,194.56 = 77,294.72 : x
  2. Step 2: Convert to fraction form
    254,786.24/382,194.56 = 77,294.72/x
  3. Step 3: Cross multiply
    254,786.24x = 382,194.56 × 77,294.72
  4. Step 4: Simplify right side
    254,786.24x = 29,541,621,500.72
  5. Step 5: Solve for x
    x = 29,541,621,500.72/254,786.24
  6. Step 6: Final answer
    x = 115,946.69

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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.