Home / 438,916.55-658,538.84-172,862.52

Finding the Fourth Proportional to 438,916.55, 658,538.84 and 172,862.52

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Solution

The fourth proportional to 438,916.55, 658,538.84 and 172,862.52 is: 259,358.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,916.55 : 658,538.84 = 172,862.52 : x
  2. Step 2: Convert to fraction form
    438,916.55/658,538.84 = 172,862.52/x
  3. Step 3: Cross multiply
    438,916.55x = 658,538.84 × 172,862.52
  4. Step 4: Simplify right side
    438,916.55x = 113,836,682,535.96
  5. Step 5: Solve for x
    x = 113,836,682,535.96/438,916.55
  6. Step 6: Final answer
    x = 259,358.38

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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.