Home / 312,599.22-431,387.36-169,359.27

Finding the Fourth Proportional to 312,599.22, 431,387.36 and 169,359.27

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Solution

The fourth proportional to 312,599.22, 431,387.36 and 169,359.27 is: 233,716.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,599.22 : 431,387.36 = 169,359.27 : x
  2. Step 2: Convert to fraction form
    312,599.22/431,387.36 = 169,359.27/x
  3. Step 3: Cross multiply
    312,599.22x = 431,387.36 × 169,359.27
  4. Step 4: Simplify right side
    312,599.22x = 73,059,448,608.50
  5. Step 5: Solve for x
    x = 73,059,448,608.50/312,599.22
  6. Step 6: Final answer
    x = 233,716.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.