Home / 341,829.40-512,833.70-131,474.20

Finding the Fourth Proportional to 341,829.40, 512,833.70 and 131,474.20

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Solution

The fourth proportional to 341,829.40, 512,833.70 and 131,474.20 is: 197,245.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,829.40 : 512,833.70 = 131,474.20 : x
  2. Step 2: Convert to fraction form
    341,829.40/512,833.70 = 131,474.20/x
  3. Step 3: Cross multiply
    341,829.40x = 512,833.70 × 131,474.20
  4. Step 4: Simplify right side
    341,829.40x = 67,424,400,440.54
  5. Step 5: Solve for x
    x = 67,424,400,440.54/341,829.40
  6. Step 6: Final answer
    x = 197,245.76

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1.5x scale

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.