Home / 269,802.20-372,330.06-148,943.56

Finding the Fourth Proportional to 269,802.20, 372,330.06 and 148,943.56

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Solution

The fourth proportional to 269,802.20, 372,330.06 and 148,943.56 is: 205,543.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,802.20 : 372,330.06 = 148,943.56 : x
  2. Step 2: Convert to fraction form
    269,802.20/372,330.06 = 148,943.56/x
  3. Step 3: Cross multiply
    269,802.20x = 372,330.06 × 148,943.56
  4. Step 4: Simplify right side
    269,802.20x = 55,456,162,769.76
  5. Step 5: Solve for x
    x = 55,456,162,769.76/269,802.20
  6. Step 6: Final answer
    x = 205,543.78

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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.