Home / 285,862.33-428,221.82-171,947.22

Finding the Fourth Proportional to 285,862.33, 428,221.82 and 171,947.22

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Solution

The fourth proportional to 285,862.33, 428,221.82 and 171,947.22 is: 257,576.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,862.33 : 428,221.82 = 171,947.22 : x
  2. Step 2: Convert to fraction form
    285,862.33/428,221.82 = 171,947.22/x
  3. Step 3: Cross multiply
    285,862.33x = 428,221.82 × 171,947.22
  4. Step 4: Simplify right side
    285,862.33x = 73,631,552,725.12
  5. Step 5: Solve for x
    x = 73,631,552,725.12/285,862.33
  6. Step 6: Final answer
    x = 257,576.97

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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.