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Finding the Fourth Proportional to 300,677.28, 451,015.92 and 79,044

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Solution

The fourth proportional to 300,677.28, 451,015.92 and 79,044 is: 118,566.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,677.28 : 451,015.92 = 79,044 : x
  2. Step 2: Convert to fraction form
    300,677.28/451,015.92 = 79,044/x
  3. Step 3: Cross multiply
    300,677.28x = 451,015.92 × 79,044
  4. Step 4: Simplify right side
    300,677.28x = 35,650,102,380.48
  5. Step 5: Solve for x
    x = 35,650,102,380.48/300,677.28
  6. Step 6: Final answer
    x = 118,566.00

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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.