Home / 269,819.82-372,349.43-147,312.20

Finding the Fourth Proportional to 269,819.82, 372,349.43 and 147,312.20

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Solution

The fourth proportional to 269,819.82, 372,349.43 and 147,312.20 is: 203,289.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,819.82 : 372,349.43 = 147,312.20 : x
  2. Step 2: Convert to fraction form
    269,819.82/372,349.43 = 147,312.20/x
  3. Step 3: Cross multiply
    269,819.82x = 372,349.43 × 147,312.20
  4. Step 4: Simplify right side
    269,819.82x = 54,851,612,239.22
  5. Step 5: Solve for x
    x = 54,851,612,239.22/269,819.82
  6. Step 6: Final answer
    x = 203,289.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.