Home / 247,150.94-341,052.20-138,236.40

Finding the Fourth Proportional to 247,150.94, 341,052.20 and 138,236.40

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Solution

The fourth proportional to 247,150.94, 341,052.20 and 138,236.40 is: 190,757.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,150.94 : 341,052.20 = 138,236.40 : x
  2. Step 2: Convert to fraction form
    247,150.94/341,052.20 = 138,236.40/x
  3. Step 3: Cross multiply
    247,150.94x = 341,052.20 × 138,236.40
  4. Step 4: Simplify right side
    247,150.94x = 47,145,829,247.58
  5. Step 5: Solve for x
    x = 47,145,829,247.58/247,150.94
  6. Step 6: Final answer
    x = 190,757.23

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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.