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Finding the Fourth Proportional to 192,232.06, 288,347.04 and 78,379.42

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Solution

The fourth proportional to 192,232.06, 288,347.04 and 78,379.42 is: 117,568.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,232.06 : 288,347.04 = 78,379.42 : x
  2. Step 2: Convert to fraction form
    192,232.06/288,347.04 = 78,379.42/x
  3. Step 3: Cross multiply
    192,232.06x = 288,347.04 × 78,379.42
  4. Step 4: Simplify right side
    192,232.06x = 22,600,474,482.65
  5. Step 5: Solve for x
    x = 22,600,474,482.65/192,232.06
  6. Step 6: Final answer
    x = 117,568.71

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1.5x scale

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.