Home / 281,500.20-422,322.30-198,556.20

Finding the Fourth Proportional to 281,500.20, 422,322.30 and 198,556.20

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Solution

The fourth proportional to 281,500.20, 422,322.30 and 198,556.20 is: 297,885.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,500.20 : 422,322.30 = 198,556.20 : x
  2. Step 2: Convert to fraction form
    281,500.20/422,322.30 = 198,556.20/x
  3. Step 3: Cross multiply
    281,500.20x = 422,322.30 × 198,556.20
  4. Step 4: Simplify right side
    281,500.20x = 83,854,711,063.26
  5. Step 5: Solve for x
    x = 83,854,711,063.26/281,500.20
  6. Step 6: Final answer
    x = 297,885.09

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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.