Home / 269,104.17-403,729.12-100,641.61

Finding the Fourth Proportional to 269,104.17, 403,729.12 and 100,641.61

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Solution

The fourth proportional to 269,104.17, 403,729.12 and 100,641.61 is: 150,989.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,104.17 : 403,729.12 = 100,641.61 : x
  2. Step 2: Convert to fraction form
    269,104.17/403,729.12 = 100,641.61/x
  3. Step 3: Cross multiply
    269,104.17x = 403,729.12 × 100,641.61
  4. Step 4: Simplify right side
    269,104.17x = 40,631,946,118.83
  5. Step 5: Solve for x
    x = 40,631,946,118.83/269,104.17
  6. Step 6: Final answer
    x = 150,989.66

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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.