Home / 250,279.27-375,340.41-81,761.20

Finding the Fourth Proportional to 250,279.27, 375,340.41 and 81,761.20

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Solution

The fourth proportional to 250,279.27, 375,340.41 and 81,761.20 is: 122,616.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,279.27 : 375,340.41 = 81,761.20 : x
  2. Step 2: Convert to fraction form
    250,279.27/375,340.41 = 81,761.20/x
  3. Step 3: Cross multiply
    250,279.27x = 375,340.41 × 81,761.20
  4. Step 4: Simplify right side
    250,279.27x = 30,688,282,330.09
  5. Step 5: Solve for x
    x = 30,688,282,330.09/250,279.27
  6. Step 6: Final answer
    x = 122,616.16

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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.