Home / 220,539.20-304,757.82-180,238.25

Finding the Fourth Proportional to 220,539.20, 304,757.82 and 180,238.25

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Solution

The fourth proportional to 220,539.20, 304,757.82 and 180,238.25 is: 249,066.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,539.20 : 304,757.82 = 180,238.25 : x
  2. Step 2: Convert to fraction form
    220,539.20/304,757.82 = 180,238.25/x
  3. Step 3: Cross multiply
    220,539.20x = 304,757.82 × 180,238.25
  4. Step 4: Simplify right side
    220,539.20x = 54,929,016,912.51
  5. Step 5: Solve for x
    x = 54,929,016,912.51/220,539.20
  6. Step 6: Final answer
    x = 249,066.91

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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.