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Finding the Fourth Proportional to 332,147.40, 498,269.70 and 107,469.60

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Solution

The fourth proportional to 332,147.40, 498,269.70 and 107,469.60 is: 161,220.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,147.40 : 498,269.70 = 107,469.60 : x
  2. Step 2: Convert to fraction form
    332,147.40/498,269.70 = 107,469.60/x
  3. Step 3: Cross multiply
    332,147.40x = 498,269.70 × 107,469.60
  4. Step 4: Simplify right side
    332,147.40x = 53,548,845,351.12
  5. Step 5: Solve for x
    x = 53,548,845,351.12/332,147.40
  6. Step 6: Final answer
    x = 161,220.13

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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.