Home / 220,601.36-330,463.28-172,993.12

Finding the Fourth Proportional to 220,601.36, 330,463.28 and 172,993.12

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Solution

The fourth proportional to 220,601.36, 330,463.28 and 172,993.12 is: 259,145.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,601.36 : 330,463.28 = 172,993.12 : x
  2. Step 2: Convert to fraction form
    220,601.36/330,463.28 = 172,993.12/x
  3. Step 3: Cross multiply
    220,601.36x = 330,463.28 × 172,993.12
  4. Step 4: Simplify right side
    220,601.36x = 57,167,873,458.96
  5. Step 5: Solve for x
    x = 57,167,873,458.96/220,601.36
  6. Step 6: Final answer
    x = 259,145.60

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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.