Home / 448,422.36-672,631.11-192,217.20

Finding the Fourth Proportional to 448,422.36, 672,631.11 and 192,217.20

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Solution

The fourth proportional to 448,422.36, 672,631.11 and 192,217.20 is: 288,324.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,422.36 : 672,631.11 = 192,217.20 : x
  2. Step 2: Convert to fraction form
    448,422.36/672,631.11 = 192,217.20/x
  3. Step 3: Cross multiply
    448,422.36x = 672,631.11 × 192,217.20
  4. Step 4: Simplify right side
    448,422.36x = 129,291,268,597.09
  5. Step 5: Solve for x
    x = 129,291,268,597.09/448,422.36
  6. Step 6: Final answer
    x = 288,324.76

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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.