Home / 312,308.27-430,986.35-169,067.97

Finding the Fourth Proportional to 312,308.27, 430,986.35 and 169,067.97

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Solution

The fourth proportional to 312,308.27, 430,986.35 and 169,067.97 is: 233,314.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,308.27 : 430,986.35 = 169,067.97 : x
  2. Step 2: Convert to fraction form
    312,308.27/430,986.35 = 169,067.97/x
  3. Step 3: Cross multiply
    312,308.27x = 430,986.35 × 169,067.97
  4. Step 4: Simplify right side
    312,308.27x = 72,865,986,446.87
  5. Step 5: Solve for x
    x = 72,865,986,446.87/312,308.27
  6. Step 6: Final answer
    x = 233,314.31

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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.