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Finding the Fourth Proportional to 227,615.88, 341,479.20 and 75,812.58

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Solution

The fourth proportional to 227,615.88, 341,479.20 and 75,812.58 is: 113,737.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,615.88 : 341,479.20 = 75,812.58 : x
  2. Step 2: Convert to fraction form
    227,615.88/341,479.20 = 75,812.58/x
  3. Step 3: Cross multiply
    227,615.88x = 341,479.20 × 75,812.58
  4. Step 4: Simplify right side
    227,615.88x = 25,888,419,168.34
  5. Step 5: Solve for x
    x = 25,888,419,168.34/227,615.88
  6. Step 6: Final answer
    x = 113,737.32

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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.