Home / 545,514.12-818,382.96-229,971.60

Finding the Fourth Proportional to 545,514.12, 818,382.96 and 229,971.60

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Solution

The fourth proportional to 545,514.12, 818,382.96 and 229,971.60 is: 345,004.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,514.12 : 818,382.96 = 229,971.60 : x
  2. Step 2: Convert to fraction form
    545,514.12/818,382.96 = 229,971.60/x
  3. Step 3: Cross multiply
    545,514.12x = 818,382.96 × 229,971.60
  4. Step 4: Simplify right side
    545,514.12x = 188,204,838,723.94
  5. Step 5: Solve for x
    x = 188,204,838,723.94/545,514.12
  6. Step 6: Final answer
    x = 345,004.52

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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.