Home / 220,929.20-304,882.26-120,327.20

Finding the Fourth Proportional to 220,929.20, 304,882.26 and 120,327.20

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Solution

The fourth proportional to 220,929.20, 304,882.26 and 120,327.20 is: 166,051.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,929.20 : 304,882.26 = 120,327.20 : x
  2. Step 2: Convert to fraction form
    220,929.20/304,882.26 = 120,327.20/x
  3. Step 3: Cross multiply
    220,929.20x = 304,882.26 × 120,327.20
  4. Step 4: Simplify right side
    220,929.20x = 36,685,628,675.47
  5. Step 5: Solve for x
    x = 36,685,628,675.47/220,929.20
  6. Step 6: Final answer
    x = 166,051.52

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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.