Home / 247,718.09-341,839.53-140,288.90

Finding the Fourth Proportional to 247,718.09, 341,839.53 and 140,288.90

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Solution

The fourth proportional to 247,718.09, 341,839.53 and 140,288.90 is: 193,592.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,718.09 : 341,839.53 = 140,288.90 : x
  2. Step 2: Convert to fraction form
    247,718.09/341,839.53 = 140,288.90/x
  3. Step 3: Cross multiply
    247,718.09x = 341,839.53 × 140,288.90
  4. Step 4: Simplify right side
    247,718.09x = 47,956,291,640.22
  5. Step 5: Solve for x
    x = 47,956,291,640.22/247,718.09
  6. Step 6: Final answer
    x = 193,592.21

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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.