Home / 448,045.10-672,186.45-195,217.10

Finding the Fourth Proportional to 448,045.10, 672,186.45 and 195,217.10

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Solution

The fourth proportional to 448,045.10, 672,186.45 and 195,217.10 is: 292,877.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,045.10 : 672,186.45 = 195,217.10 : x
  2. Step 2: Convert to fraction form
    448,045.10/672,186.45 = 195,217.10/x
  3. Step 3: Cross multiply
    448,045.10x = 672,186.45 × 195,217.10
  4. Step 4: Simplify right side
    448,045.10x = 131,222,289,428.30
  5. Step 5: Solve for x
    x = 131,222,289,428.30/448,045.10
  6. Step 6: Final answer
    x = 292,877.41

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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.