Home / 351,919.52-485,534.76-198,942.92

Finding the Fourth Proportional to 351,919.52, 485,534.76 and 198,942.92

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Solution

The fourth proportional to 351,919.52, 485,534.76 and 198,942.92 is: 274,476.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,919.52 : 485,534.76 = 198,942.92 : x
  2. Step 2: Convert to fraction form
    351,919.52/485,534.76 = 198,942.92/x
  3. Step 3: Cross multiply
    351,919.52x = 485,534.76 × 198,942.92
  4. Step 4: Simplify right side
    351,919.52x = 96,593,702,915.90
  5. Step 5: Solve for x
    x = 96,593,702,915.90/351,919.52
  6. Step 6: Final answer
    x = 274,476.68

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1.5x scale

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.