Home / 448,045.10-672,067.65-199,213.10

Finding the Fourth Proportional to 448,045.10, 672,067.65 and 199,213.10

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Solution

The fourth proportional to 448,045.10, 672,067.65 and 199,213.10 is: 298,819.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,045.10 : 672,067.65 = 199,213.10 : x
  2. Step 2: Convert to fraction form
    448,045.10/672,067.65 = 199,213.10/x
  3. Step 3: Cross multiply
    448,045.10x = 672,067.65 × 199,213.10
  4. Step 4: Simplify right side
    448,045.10x = 133,884,679,966.22
  5. Step 5: Solve for x
    x = 133,884,679,966.22/448,045.10
  6. Step 6: Final answer
    x = 298,819.65

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Similar ratio
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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.