Home / 320,819.80-481,272.90-110,522.20

Finding the Fourth Proportional to 320,819.80, 481,272.90 and 110,522.20

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Solution

The fourth proportional to 320,819.80, 481,272.90 and 110,522.20 is: 165,798.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,819.80 : 481,272.90 = 110,522.20 : x
  2. Step 2: Convert to fraction form
    320,819.80/481,272.90 = 110,522.20/x
  3. Step 3: Cross multiply
    320,819.80x = 481,272.90 × 110,522.20
  4. Step 4: Simplify right side
    320,819.80x = 53,191,339,708.38
  5. Step 5: Solve for x
    x = 53,191,339,708.38/320,819.80
  6. Step 6: Final answer
    x = 165,798.18

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1.5x scale

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.