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Finding the Fourth Proportional to 374,414.40, 517,687.20 and 327,175.20

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Solution

The fourth proportional to 374,414.40, 517,687.20 and 327,175.20 is: 452,371.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,414.40 : 517,687.20 = 327,175.20 : x
  2. Step 2: Convert to fraction form
    374,414.40/517,687.20 = 327,175.20/x
  3. Step 3: Cross multiply
    374,414.40x = 517,687.20 × 327,175.20
  4. Step 4: Simplify right side
    374,414.40x = 169,374,413,197.44
  5. Step 5: Solve for x
    x = 169,374,413,197.44/374,414.40
  6. Step 6: Final answer
    x = 452,371.53

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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.