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Finding the Fourth Proportional to 269,049.20, 403,573.80 and 174,570.80

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Solution

The fourth proportional to 269,049.20, 403,573.80 and 174,570.80 is: 261,856.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,049.20 : 403,573.80 = 174,570.80 : x
  2. Step 2: Convert to fraction form
    269,049.20/403,573.80 = 174,570.80/x
  3. Step 3: Cross multiply
    269,049.20x = 403,573.80 × 174,570.80
  4. Step 4: Simplify right side
    269,049.20x = 70,452,201,125.04
  5. Step 5: Solve for x
    x = 70,452,201,125.04/269,049.20
  6. Step 6: Final answer
    x = 261,856.20

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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.