Home / 330,540.75-456,146.64-179,637.75

Finding the Fourth Proportional to 330,540.75, 456,146.64 and 179,637.75

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Solution

The fourth proportional to 330,540.75, 456,146.64 and 179,637.75 is: 247,900.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,540.75 : 456,146.64 = 179,637.75 : x
  2. Step 2: Convert to fraction form
    330,540.75/456,146.64 = 179,637.75/x
  3. Step 3: Cross multiply
    330,540.75x = 456,146.64 × 179,637.75
  4. Step 4: Simplify right side
    330,540.75x = 81,941,156,079.66
  5. Step 5: Solve for x
    x = 81,941,156,079.66/330,540.75
  6. Step 6: Final answer
    x = 247,900.32

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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.