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Finding the Fourth Proportional to 269,348.64, 371,702.64 and 156,238.56

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Solution

The fourth proportional to 269,348.64, 371,702.64 and 156,238.56 is: 215,610.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,348.64 : 371,702.64 = 156,238.56 : x
  2. Step 2: Convert to fraction form
    269,348.64/371,702.64 = 156,238.56/x
  3. Step 3: Cross multiply
    269,348.64x = 371,702.64 × 156,238.56
  4. Step 4: Simplify right side
    269,348.64x = 58,074,285,221.80
  5. Step 5: Solve for x
    x = 58,074,285,221.80/269,348.64
  6. Step 6: Final answer
    x = 215,610.09

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1.5x scale

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.