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Finding the Fourth Proportional to 367,120.35, 550,680.52 and 130,472.37

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Solution

The fourth proportional to 367,120.35, 550,680.52 and 130,472.37 is: 195,708.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,120.35 : 550,680.52 = 130,472.37 : x
  2. Step 2: Convert to fraction form
    367,120.35/550,680.52 = 130,472.37/x
  3. Step 3: Cross multiply
    367,120.35x = 550,680.52 × 130,472.37
  4. Step 4: Simplify right side
    367,120.35x = 71,848,589,803.83
  5. Step 5: Solve for x
    x = 71,848,589,803.83/367,120.35
  6. Step 6: Final answer
    x = 195,708.55

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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.