Home / 330,617.43-456,301.95-201,630.75

Finding the Fourth Proportional to 330,617.43, 456,301.95 and 201,630.75

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Solution

The fourth proportional to 330,617.43, 456,301.95 and 201,630.75 is: 278,280.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,617.43 : 456,301.95 = 201,630.75 : x
  2. Step 2: Convert to fraction form
    330,617.43/456,301.95 = 201,630.75/x
  3. Step 3: Cross multiply
    330,617.43x = 456,301.95 × 201,630.75
  4. Step 4: Simplify right side
    330,617.43x = 92,004,504,404.96
  5. Step 5: Solve for x
    x = 92,004,504,404.96/330,617.43
  6. Step 6: Final answer
    x = 278,280.87

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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.