Home / 269,072.25-371,319.72-155,960.61

Finding the Fourth Proportional to 269,072.25, 371,319.72 and 155,960.61

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Solution

The fourth proportional to 269,072.25, 371,319.72 and 155,960.61 is: 215,225.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,072.25 : 371,319.72 = 155,960.61 : x
  2. Step 2: Convert to fraction form
    269,072.25/371,319.72 = 155,960.61/x
  3. Step 3: Cross multiply
    269,072.25x = 371,319.72 × 155,960.61
  4. Step 4: Simplify right side
    269,072.25x = 57,911,250,036.23
  5. Step 5: Solve for x
    x = 57,911,250,036.23/269,072.25
  6. Step 6: Final answer
    x = 215,225.65

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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.