Home / 221,011.20-331,683.64-177,167.38

Finding the Fourth Proportional to 221,011.20, 331,683.64 and 177,167.38

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Solution

The fourth proportional to 221,011.20, 331,683.64 and 177,167.38 is: 265,884.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,011.20 : 331,683.64 = 177,167.38 : x
  2. Step 2: Convert to fraction form
    221,011.20/331,683.64 = 177,167.38/x
  3. Step 3: Cross multiply
    221,011.20x = 331,683.64 × 177,167.38
  4. Step 4: Simplify right side
    221,011.20x = 58,763,521,487.66
  5. Step 5: Solve for x
    x = 58,763,521,487.66/221,011.20
  6. Step 6: Final answer
    x = 265,884.81

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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.