Home / 197,475.81-296,379.57-85,240.79

Finding the Fourth Proportional to 197,475.81, 296,379.57 and 85,240.79

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Solution

The fourth proportional to 197,475.81, 296,379.57 and 85,240.79 is: 127,932.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,475.81 : 296,379.57 = 85,240.79 : x
  2. Step 2: Convert to fraction form
    197,475.81/296,379.57 = 85,240.79/x
  3. Step 3: Cross multiply
    197,475.81x = 296,379.57 × 85,240.79
  4. Step 4: Simplify right side
    197,475.81x = 25,263,628,635.84
  5. Step 5: Solve for x
    x = 25,263,628,635.84/197,475.81
  6. Step 6: Final answer
    x = 127,932.78

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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.