Home / 297,621.60-446,432.40-100,629.60

Finding the Fourth Proportional to 297,621.60, 446,432.40 and 100,629.60

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Solution

The fourth proportional to 297,621.60, 446,432.40 and 100,629.60 is: 150,944.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,621.60 : 446,432.40 = 100,629.60 : x
  2. Step 2: Convert to fraction form
    297,621.60/446,432.40 = 100,629.60/x
  3. Step 3: Cross multiply
    297,621.60x = 446,432.40 × 100,629.60
  4. Step 4: Simplify right side
    297,621.60x = 44,924,313,839.04
  5. Step 5: Solve for x
    x = 44,924,313,839.04/297,621.60
  6. Step 6: Final answer
    x = 150,944.40

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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.