Home / 231,738.76-347,645.81-71,777.33

Finding the Fourth Proportional to 231,738.76, 347,645.81 and 71,777.33

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Solution

The fourth proportional to 231,738.76, 347,645.81 and 71,777.33 is: 107,677.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,738.76 : 347,645.81 = 71,777.33 : x
  2. Step 2: Convert to fraction form
    231,738.76/347,645.81 = 71,777.33/x
  3. Step 3: Cross multiply
    231,738.76x = 347,645.81 × 71,777.33
  4. Step 4: Simplify right side
    231,738.76x = 24,953,088,027.49
  5. Step 5: Solve for x
    x = 24,953,088,027.49/231,738.76
  6. Step 6: Final answer
    x = 107,677.66

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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.