Home / 320,788.80-481,177.68-110,422.08

Finding the Fourth Proportional to 320,788.80, 481,177.68 and 110,422.08

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Solution

The fourth proportional to 320,788.80, 481,177.68 and 110,422.08 is: 165,631.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,788.80 : 481,177.68 = 110,422.08 : x
  2. Step 2: Convert to fraction form
    320,788.80/481,177.68 = 110,422.08/x
  3. Step 3: Cross multiply
    320,788.80x = 481,177.68 × 110,422.08
  4. Step 4: Simplify right side
    320,788.80x = 53,132,640,275.17
  5. Step 5: Solve for x
    x = 53,132,640,275.17/320,788.80
  6. Step 6: Final answer
    x = 165,631.22

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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.