Home / 351,396.20-484,889.54-198,425.10

Finding the Fourth Proportional to 351,396.20, 484,889.54 and 198,425.10

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Solution

The fourth proportional to 351,396.20, 484,889.54 and 198,425.10 is: 273,805.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,396.20 : 484,889.54 = 198,425.10 : x
  2. Step 2: Convert to fraction form
    351,396.20/484,889.54 = 198,425.10/x
  3. Step 3: Cross multiply
    351,396.20x = 484,889.54 × 198,425.10
  4. Step 4: Simplify right side
    351,396.20x = 96,214,254,471.33
  5. Step 5: Solve for x
    x = 96,214,254,471.33/351,396.20
  6. Step 6: Final answer
    x = 273,805.62

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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.