Home / 303,078.20-454,892.70-153,422.60

Finding the Fourth Proportional to 303,078.20, 454,892.70 and 153,422.60

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Solution

The fourth proportional to 303,078.20, 454,892.70 and 153,422.60 is: 230,273.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,078.20 : 454,892.70 = 153,422.60 : x
  2. Step 2: Convert to fraction form
    303,078.20/454,892.70 = 153,422.60/x
  3. Step 3: Cross multiply
    303,078.20x = 454,892.70 × 153,422.60
  4. Step 4: Simplify right side
    303,078.20x = 69,790,820,755.02
  5. Step 5: Solve for x
    x = 69,790,820,755.02/303,078.20
  6. Step 6: Final answer
    x = 230,273.31

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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.