Home / 217,277.73-326,043.72-90,907.38

Finding the Fourth Proportional to 217,277.73, 326,043.72 and 90,907.38

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Solution

The fourth proportional to 217,277.73, 326,043.72 and 90,907.38 is: 136,414.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,277.73 : 326,043.72 = 90,907.38 : x
  2. Step 2: Convert to fraction form
    217,277.73/326,043.72 = 90,907.38/x
  3. Step 3: Cross multiply
    217,277.73x = 326,043.72 × 90,907.38
  4. Step 4: Simplify right side
    217,277.73x = 29,639,780,350.65
  5. Step 5: Solve for x
    x = 29,639,780,350.65/217,277.73
  6. Step 6: Final answer
    x = 136,414.26

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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.