Home / 252,727.50-379,113.12-65,739

Finding the Fourth Proportional to 252,727.50, 379,113.12 and 65,739

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Solution

The fourth proportional to 252,727.50, 379,113.12 and 65,739 is: 98,614.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,727.50 : 379,113.12 = 65,739 : x
  2. Step 2: Convert to fraction form
    252,727.50/379,113.12 = 65,739/x
  3. Step 3: Cross multiply
    252,727.50x = 379,113.12 × 65,739
  4. Step 4: Simplify right side
    252,727.50x = 24,922,517,395.68
  5. Step 5: Solve for x
    x = 24,922,517,395.68/252,727.50
  6. Step 6: Final answer
    x = 98,614.19

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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.