Home / 330,720.32-456,391.68-179,817.28

Finding the Fourth Proportional to 330,720.32, 456,391.68 and 179,817.28

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Solution

The fourth proportional to 330,720.32, 456,391.68 and 179,817.28 is: 248,146.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,720.32 : 456,391.68 = 179,817.28 : x
  2. Step 2: Convert to fraction form
    330,720.32/456,391.68 = 179,817.28/x
  3. Step 3: Cross multiply
    330,720.32x = 456,391.68 × 179,817.28
  4. Step 4: Simplify right side
    330,720.32x = 82,067,110,512.23
  5. Step 5: Solve for x
    x = 82,067,110,512.23/330,720.32
  6. Step 6: Final answer
    x = 248,146.56

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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.