Home / 217,811.05-326,758.02-75,650.92

Finding the Fourth Proportional to 217,811.05, 326,758.02 and 75,650.92

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Solution

The fourth proportional to 217,811.05, 326,758.02 and 75,650.92 is: 113,490.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,811.05 : 326,758.02 = 75,650.92 : x
  2. Step 2: Convert to fraction form
    217,811.05/326,758.02 = 75,650.92/x
  3. Step 3: Cross multiply
    217,811.05x = 326,758.02 × 75,650.92
  4. Step 4: Simplify right side
    217,811.05x = 24,719,544,830.38
  5. Step 5: Solve for x
    x = 24,719,544,830.38/217,811.05
  6. Step 6: Final answer
    x = 113,490.77

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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.