Home / 254,949.24-382,423.68-77,455.56

Finding the Fourth Proportional to 254,949.24, 382,423.68 and 77,455.56

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Solution

The fourth proportional to 254,949.24, 382,423.68 and 77,455.56 is: 116,183.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,949.24 : 382,423.68 = 77,455.56 : x
  2. Step 2: Convert to fraction form
    254,949.24/382,423.68 = 77,455.56/x
  3. Step 3: Cross multiply
    254,949.24x = 382,423.68 × 77,455.56
  4. Step 4: Simplify right side
    254,949.24x = 29,620,840,291.66
  5. Step 5: Solve for x
    x = 29,620,840,291.66/254,949.24
  6. Step 6: Final answer
    x = 116,183.29

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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.