Home / 269,282.68-371,588.25-156,112.72

Finding the Fourth Proportional to 269,282.68, 371,588.25 and 156,112.72

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Solution

The fourth proportional to 269,282.68, 371,588.25 and 156,112.72 is: 215,422.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,282.68 : 371,588.25 = 156,112.72 : x
  2. Step 2: Convert to fraction form
    269,282.68/371,588.25 = 156,112.72/x
  3. Step 3: Cross multiply
    269,282.68x = 371,588.25 × 156,112.72
  4. Step 4: Simplify right side
    269,282.68x = 58,009,652,427.54
  5. Step 5: Solve for x
    x = 58,009,652,427.54/269,282.68
  6. Step 6: Final answer
    x = 215,422.89

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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.