Home / 269,259.68-371,578.38-156,148.04

Finding the Fourth Proportional to 269,259.68, 371,578.38 and 156,148.04

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Solution

The fourth proportional to 269,259.68, 371,578.38 and 156,148.04 is: 215,484.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,259.68 : 371,578.38 = 156,148.04 : x
  2. Step 2: Convert to fraction form
    269,259.68/371,578.38 = 156,148.04/x
  3. Step 3: Cross multiply
    269,259.68x = 371,578.38 × 156,148.04
  4. Step 4: Simplify right side
    269,259.68x = 58,021,235,743.38
  5. Step 5: Solve for x
    x = 58,021,235,743.38/269,259.68
  6. Step 6: Final answer
    x = 215,484.31

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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.