Home / 317,747.58-476,620.97-81,090.27

Finding the Fourth Proportional to 317,747.58, 476,620.97 and 81,090.27

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Solution

The fourth proportional to 317,747.58, 476,620.97 and 81,090.27 is: 121,635.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,747.58 : 476,620.97 = 81,090.27 : x
  2. Step 2: Convert to fraction form
    317,747.58/476,620.97 = 81,090.27/x
  3. Step 3: Cross multiply
    317,747.58x = 476,620.97 × 81,090.27
  4. Step 4: Simplify right side
    317,747.58x = 38,649,320,559.13
  5. Step 5: Solve for x
    x = 38,649,320,559.13/317,747.58
  6. Step 6: Final answer
    x = 121,635.29

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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.