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Finding the Fourth Proportional to 269,542.10, 404,313.15 and 248,546.90

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Solution

The fourth proportional to 269,542.10, 404,313.15 and 248,546.90 is: 372,820.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,542.10 : 404,313.15 = 248,546.90 : x
  2. Step 2: Convert to fraction form
    269,542.10/404,313.15 = 248,546.90/x
  3. Step 3: Cross multiply
    269,542.10x = 404,313.15 × 248,546.90
  4. Step 4: Simplify right side
    269,542.10x = 100,490,780,061.74
  5. Step 5: Solve for x
    x = 100,490,780,061.74/269,542.10
  6. Step 6: Final answer
    x = 372,820.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.