Home / 557,177.24-835,766.78-178,128.54

Finding the Fourth Proportional to 557,177.24, 835,766.78 and 178,128.54

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Solution

The fourth proportional to 557,177.24, 835,766.78 and 178,128.54 is: 267,193.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,177.24 : 835,766.78 = 178,128.54 : x
  2. Step 2: Convert to fraction form
    557,177.24/835,766.78 = 178,128.54/x
  3. Step 3: Cross multiply
    557,177.24x = 835,766.78 × 178,128.54
  4. Step 4: Simplify right side
    557,177.24x = 148,873,915,411.26
  5. Step 5: Solve for x
    x = 148,873,915,411.26/557,177.24
  6. Step 6: Final answer
    x = 267,193.10

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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.