Home / 351,923.52-485,540.28-198,946.92

Finding the Fourth Proportional to 351,923.52, 485,540.28 and 198,946.92

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Solution

The fourth proportional to 351,923.52, 485,540.28 and 198,946.92 is: 274,482.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,923.52 : 485,540.28 = 198,946.92 : x
  2. Step 2: Convert to fraction form
    351,923.52/485,540.28 = 198,946.92/x
  3. Step 3: Cross multiply
    351,923.52x = 485,540.28 × 198,946.92
  4. Step 4: Simplify right side
    351,923.52x = 96,596,743,241.94
  5. Step 5: Solve for x
    x = 96,596,743,241.94/351,923.52
  6. Step 6: Final answer
    x = 274,482.20

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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.