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Finding the Fourth Proportional to 240,815.92, 332,311.32 and 133,379.56

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Solution

The fourth proportional to 240,815.92, 332,311.32 and 133,379.56 is: 184,055.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,815.92 : 332,311.32 = 133,379.56 : x
  2. Step 2: Convert to fraction form
    240,815.92/332,311.32 = 133,379.56/x
  3. Step 3: Cross multiply
    240,815.92x = 332,311.32 × 133,379.56
  4. Step 4: Simplify right side
    240,815.92x = 44,323,537,644.62
  5. Step 5: Solve for x
    x = 44,323,537,644.62/240,815.92
  6. Step 6: Final answer
    x = 184,055.68

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1.5x scale

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.