Home / 247,721.92-341,844.79-140,292.72

Finding the Fourth Proportional to 247,721.92, 341,844.79 and 140,292.72

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Solution

The fourth proportional to 247,721.92, 341,844.79 and 140,292.72 is: 193,597.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,721.92 : 341,844.79 = 140,292.72 : x
  2. Step 2: Convert to fraction form
    247,721.92/341,844.79 = 140,292.72/x
  3. Step 3: Cross multiply
    247,721.92x = 341,844.79 × 140,292.72
  4. Step 4: Simplify right side
    247,721.92x = 47,958,334,705.47
  5. Step 5: Solve for x
    x = 47,958,334,705.47/247,721.92
  6. Step 6: Final answer
    x = 193,597.46

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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.