Home / 641,377.08-961,910.10-267,195.96

Finding the Fourth Proportional to 641,377.08, 961,910.10 and 267,195.96

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Solution

The fourth proportional to 641,377.08, 961,910.10 and 267,195.96 is: 400,729.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,377.08 : 961,910.10 = 267,195.96 : x
  2. Step 2: Convert to fraction form
    641,377.08/961,910.10 = 267,195.96/x
  3. Step 3: Cross multiply
    641,377.08x = 961,910.10 × 267,195.96
  4. Step 4: Simplify right side
    641,377.08x = 257,018,492,603.20
  5. Step 5: Solve for x
    x = 257,018,492,603.20/641,377.08
  6. Step 6: Final answer
    x = 400,729.15

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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.