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Finding the Fourth Proportional to 341,669.75, 512,504.76 and 92,351.75

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Solution

The fourth proportional to 341,669.75, 512,504.76 and 92,351.75 is: 138,527.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,669.75 : 512,504.76 = 92,351.75 : x
  2. Step 2: Convert to fraction form
    341,669.75/512,504.76 = 92,351.75/x
  3. Step 3: Cross multiply
    341,669.75x = 512,504.76 × 92,351.75
  4. Step 4: Simplify right side
    341,669.75x = 47,330,711,469.33
  5. Step 5: Solve for x
    x = 47,330,711,469.33/341,669.75
  6. Step 6: Final answer
    x = 138,527.66

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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.