Home / 331,370.37-457,211.72-195,393.65

Finding the Fourth Proportional to 331,370.37, 457,211.72 and 195,393.65

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Solution

The fourth proportional to 331,370.37, 457,211.72 and 195,393.65 is: 269,596.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,370.37 : 457,211.72 = 195,393.65 : x
  2. Step 2: Convert to fraction form
    331,370.37/457,211.72 = 195,393.65/x
  3. Step 3: Cross multiply
    331,370.37x = 457,211.72 × 195,393.65
  4. Step 4: Simplify right side
    331,370.37x = 89,336,264,996.00
  5. Step 5: Solve for x
    x = 89,336,264,996.00/331,370.37
  6. Step 6: Final answer
    x = 269,596.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.