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Finding the Fourth Proportional to 303,119.22, 454,712.86 and 247,433.34

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Solution

The fourth proportional to 303,119.22, 454,712.86 and 247,433.34 is: 371,177.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,119.22 : 454,712.86 = 247,433.34 : x
  2. Step 2: Convert to fraction form
    303,119.22/454,712.86 = 247,433.34/x
  3. Step 3: Cross multiply
    303,119.22x = 454,712.86 × 247,433.34
  4. Step 4: Simplify right side
    303,119.22x = 112,511,121,690.75
  5. Step 5: Solve for x
    x = 112,511,121,690.75/303,119.22
  6. Step 6: Final answer
    x = 371,177.79

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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.