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Finding the Fourth Proportional to 332,378.40, 498,567.60 and 295,636.80

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Solution

The fourth proportional to 332,378.40, 498,567.60 and 295,636.80 is: 443,455.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,378.40 : 498,567.60 = 295,636.80 : x
  2. Step 2: Convert to fraction form
    332,378.40/498,567.60 = 295,636.80/x
  3. Step 3: Cross multiply
    332,378.40x = 498,567.60 × 295,636.80
  4. Step 4: Simplify right side
    332,378.40x = 147,394,929,847.68
  5. Step 5: Solve for x
    x = 147,394,929,847.68/332,378.40
  6. Step 6: Final answer
    x = 443,455.20

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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.