Home / 269,031.45-371,280.25-148,172.71

Finding the Fourth Proportional to 269,031.45, 371,280.25 and 148,172.71

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Solution

The fourth proportional to 269,031.45, 371,280.25 and 148,172.71 is: 204,487.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,031.45 : 371,280.25 = 148,172.71 : x
  2. Step 2: Convert to fraction form
    269,031.45/371,280.25 = 148,172.71/x
  3. Step 3: Cross multiply
    269,031.45x = 371,280.25 × 148,172.71
  4. Step 4: Simplify right side
    269,031.45x = 55,013,598,214.71
  5. Step 5: Solve for x
    x = 55,013,598,214.71/269,031.45
  6. Step 6: Final answer
    x = 204,487.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.