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Finding the Fourth Proportional to 332,751.20, 498,349.20 and 326,069.60

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Solution

The fourth proportional to 332,751.20, 498,349.20 and 326,069.60 is: 488,342.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,751.20 : 498,349.20 = 326,069.60 : x
  2. Step 2: Convert to fraction form
    332,751.20/498,349.20 = 326,069.60/x
  3. Step 3: Cross multiply
    332,751.20x = 498,349.20 × 326,069.60
  4. Step 4: Simplify right side
    332,751.20x = 162,496,524,304.32
  5. Step 5: Solve for x
    x = 162,496,524,304.32/332,751.20
  6. Step 6: Final answer
    x = 488,342.41

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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.