Home / 220,996.86-331,660.27-149,750.51

Finding the Fourth Proportional to 220,996.86, 331,660.27 and 149,750.51

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Solution

The fourth proportional to 220,996.86, 331,660.27 and 149,750.51 is: 224,737.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,996.86 : 331,660.27 = 149,750.51 : x
  2. Step 2: Convert to fraction form
    220,996.86/331,660.27 = 149,750.51/x
  3. Step 3: Cross multiply
    220,996.86x = 331,660.27 × 149,750.51
  4. Step 4: Simplify right side
    220,996.86x = 49,666,293,108.12
  5. Step 5: Solve for x
    x = 49,666,293,108.12/220,996.86
  6. Step 6: Final answer
    x = 224,737.55

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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.