Home / 217,926.05-326,280.05-117,727.27

Finding the Fourth Proportional to 217,926.05, 326,280.05 and 117,727.27

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Solution

The fourth proportional to 217,926.05, 326,280.05 and 117,727.27 is: 176,261.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,926.05 : 326,280.05 = 117,727.27 : x
  2. Step 2: Convert to fraction form
    217,926.05/326,280.05 = 117,727.27/x
  3. Step 3: Cross multiply
    217,926.05x = 326,280.05 × 117,727.27
  4. Step 4: Simplify right side
    217,926.05x = 38,412,060,414.43
  5. Step 5: Solve for x
    x = 38,412,060,414.43/217,926.05
  6. Step 6: Final answer
    x = 176,261.91

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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.