Home / 269,155.09-371,127.99-172,229.68

Finding the Fourth Proportional to 269,155.09, 371,127.99 and 172,229.68

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Solution

The fourth proportional to 269,155.09, 371,127.99 and 172,229.68 is: 237,481.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,155.09 : 371,127.99 = 172,229.68 : x
  2. Step 2: Convert to fraction form
    269,155.09/371,127.99 = 172,229.68/x
  3. Step 3: Cross multiply
    269,155.09x = 371,127.99 × 172,229.68
  4. Step 4: Simplify right side
    269,155.09x = 63,919,254,956.74
  5. Step 5: Solve for x
    x = 63,919,254,956.74/269,155.09
  6. Step 6: Final answer
    x = 237,481.13

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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.