Home / 220,919.58-304,816.10-130,268.43

Finding the Fourth Proportional to 220,919.58, 304,816.10 and 130,268.43

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Solution

The fourth proportional to 220,919.58, 304,816.10 and 130,268.43 is: 179,739.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,919.58 : 304,816.10 = 130,268.43 : x
  2. Step 2: Convert to fraction form
    220,919.58/304,816.10 = 130,268.43/x
  3. Step 3: Cross multiply
    220,919.58x = 304,816.10 × 130,268.43
  4. Step 4: Simplify right side
    220,919.58x = 39,707,914,134.38
  5. Step 5: Solve for x
    x = 39,707,914,134.38/220,919.58
  6. Step 6: Final answer
    x = 179,739.23

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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.