Home / 247,717.09-341,838.15-140,287.90

Finding the Fourth Proportional to 247,717.09, 341,838.15 and 140,287.90

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Solution

The fourth proportional to 247,717.09, 341,838.15 and 140,287.90 is: 193,590.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,717.09 : 341,838.15 = 140,287.90 : x
  2. Step 2: Convert to fraction form
    247,717.09/341,838.15 = 140,287.90/x
  3. Step 3: Cross multiply
    247,717.09x = 341,838.15 × 140,287.90
  4. Step 4: Simplify right side
    247,717.09x = 47,955,755,858.22
  5. Step 5: Solve for x
    x = 47,955,755,858.22/247,717.09
  6. Step 6: Final answer
    x = 193,590.82

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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.