Home / 317,335.20-476,003.91-80,677.90

Finding the Fourth Proportional to 317,335.20, 476,003.91 and 80,677.90

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Solution

The fourth proportional to 317,335.20, 476,003.91 and 80,677.90 is: 121,017.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,335.20 : 476,003.91 = 80,677.90 : x
  2. Step 2: Convert to fraction form
    317,335.20/476,003.91 = 80,677.90/x
  3. Step 3: Cross multiply
    317,335.20x = 476,003.91 × 80,677.90
  4. Step 4: Simplify right side
    317,335.20x = 38,402,995,447.20
  5. Step 5: Solve for x
    x = 38,402,995,447.20/317,335.20
  6. Step 6: Final answer
    x = 121,017.13

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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.