Home / 252,904.20-379,029.25-189,224.70

Finding the Fourth Proportional to 252,904.20, 379,029.25 and 189,224.70

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Solution

The fourth proportional to 252,904.20, 379,029.25 and 189,224.70 is: 283,592.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,904.20 : 379,029.25 = 189,224.70 : x
  2. Step 2: Convert to fraction form
    252,904.20/379,029.25 = 189,224.70/x
  3. Step 3: Cross multiply
    252,904.20x = 379,029.25 × 189,224.70
  4. Step 4: Simplify right side
    252,904.20x = 71,721,696,122.48
  5. Step 5: Solve for x
    x = 71,721,696,122.48/252,904.20
  6. Step 6: Final answer
    x = 283,592.35

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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.