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Finding the Fourth Proportional to 269,937.56, 372,513.84 and 156,767.60

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Solution

The fourth proportional to 269,937.56, 372,513.84 and 156,767.60 is: 216,339.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,937.56 : 372,513.84 = 156,767.60 : x
  2. Step 2: Convert to fraction form
    269,937.56/372,513.84 = 156,767.60/x
  3. Step 3: Cross multiply
    269,937.56x = 372,513.84 × 156,767.60
  4. Step 4: Simplify right side
    269,937.56x = 58,398,101,006.99
  5. Step 5: Solve for x
    x = 58,398,101,006.99/269,937.56
  6. Step 6: Final answer
    x = 216,339.29

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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.