Home / 247,249.13-370,940.27-127,240.69

Finding the Fourth Proportional to 247,249.13, 370,940.27 and 127,240.69

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Solution

The fourth proportional to 247,249.13, 370,940.27 and 127,240.69 is: 190,895.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,249.13 : 370,940.27 = 127,240.69 : x
  2. Step 2: Convert to fraction form
    247,249.13/370,940.27 = 127,240.69/x
  3. Step 3: Cross multiply
    247,249.13x = 370,940.27 × 127,240.69
  4. Step 4: Simplify right side
    247,249.13x = 47,198,693,412.68
  5. Step 5: Solve for x
    x = 47,198,693,412.68/247,249.13
  6. Step 6: Final answer
    x = 190,895.29

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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.