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Finding the Fourth Proportional to 231,656.80, 347,596 and 130,535.52

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Solution

The fourth proportional to 231,656.80, 347,596 and 130,535.52 is: 195,865.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,656.80 : 347,596 = 130,535.52 : x
  2. Step 2: Convert to fraction form
    231,656.80/347,596 = 130,535.52/x
  3. Step 3: Cross multiply
    231,656.80x = 347,596 × 130,535.52
  4. Step 4: Simplify right side
    231,656.80x = 45,373,624,609.92
  5. Step 5: Solve for x
    x = 45,373,624,609.92/231,656.80
  6. Step 6: Final answer
    x = 195,865.71

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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.