Home / 217,745.61-326,665.05-75,595.38

Finding the Fourth Proportional to 217,745.61, 326,665.05 and 75,595.38

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Solution

The fourth proportional to 217,745.61, 326,665.05 and 75,595.38 is: 113,409.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,745.61 : 326,665.05 = 75,595.38 : x
  2. Step 2: Convert to fraction form
    217,745.61/326,665.05 = 75,595.38/x
  3. Step 3: Cross multiply
    217,745.61x = 326,665.05 × 75,595.38
  4. Step 4: Simplify right side
    217,745.61x = 24,694,368,587.47
  5. Step 5: Solve for x
    x = 24,694,368,587.47/217,745.61
  6. Step 6: Final answer
    x = 113,409.26

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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.