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Finding the Fourth Proportional to 374,625.87, 516,638.73 and 245,517.32

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Solution

The fourth proportional to 374,625.87, 516,638.73 and 245,517.32 is: 338,587.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,625.87 : 516,638.73 = 245,517.32 : x
  2. Step 2: Convert to fraction form
    374,625.87/516,638.73 = 245,517.32/x
  3. Step 3: Cross multiply
    374,625.87x = 516,638.73 × 245,517.32
  4. Step 4: Simplify right side
    374,625.87x = 126,843,754,286.96
  5. Step 5: Solve for x
    x = 126,843,754,286.96/374,625.87
  6. Step 6: Final answer
    x = 338,587.81

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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.