Home / 379,577.40-568,180.25-253,321.08

Finding the Fourth Proportional to 379,577.40, 568,180.25 and 253,321.08

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Solution

The fourth proportional to 379,577.40, 568,180.25 and 253,321.08 is: 379,190.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,577.40 : 568,180.25 = 253,321.08 : x
  2. Step 2: Convert to fraction form
    379,577.40/568,180.25 = 253,321.08/x
  3. Step 3: Cross multiply
    379,577.40x = 568,180.25 × 253,321.08
  4. Step 4: Simplify right side
    379,577.40x = 143,932,034,564.67
  5. Step 5: Solve for x
    x = 143,932,034,564.67/379,577.40
  6. Step 6: Final answer
    x = 379,190.21

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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.