Home / 448,554.90-672,716.83-132,938

Finding the Fourth Proportional to 448,554.90, 672,716.83 and 132,938

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Solution

The fourth proportional to 448,554.90, 672,716.83 and 132,938 is: 199,372.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,554.90 : 672,716.83 = 132,938 : x
  2. Step 2: Convert to fraction form
    448,554.90/672,716.83 = 132,938/x
  3. Step 3: Cross multiply
    448,554.90x = 672,716.83 × 132,938
  4. Step 4: Simplify right side
    448,554.90x = 89,429,629,946.54
  5. Step 5: Solve for x
    x = 89,429,629,946.54/448,554.90
  6. Step 6: Final answer
    x = 199,372.76

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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.