Home / 220,808.24-304,714.92-120,206.96

Finding the Fourth Proportional to 220,808.24, 304,714.92 and 120,206.96

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Solution

The fourth proportional to 220,808.24, 304,714.92 and 120,206.96 is: 165,885.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,808.24 : 304,714.92 = 120,206.96 : x
  2. Step 2: Convert to fraction form
    220,808.24/304,714.92 = 120,206.96/x
  3. Step 3: Cross multiply
    220,808.24x = 304,714.92 × 120,206.96
  4. Step 4: Simplify right side
    220,808.24x = 36,628,854,199.84
  5. Step 5: Solve for x
    x = 36,628,854,199.84/220,808.24
  6. Step 6: Final answer
    x = 165,885.36

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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.