Home / 220,828.83-304,743.83-120,226.83

Finding the Fourth Proportional to 220,828.83, 304,743.83 and 120,226.83

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Solution

The fourth proportional to 220,828.83, 304,743.83 and 120,226.83 is: 165,913.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,828.83 : 304,743.83 = 120,226.83 : x
  2. Step 2: Convert to fraction form
    220,828.83/304,743.83 = 120,226.83/x
  3. Step 3: Cross multiply
    220,828.83x = 304,743.83 × 120,226.83
  4. Step 4: Simplify right side
    220,828.83x = 36,638,383,575.31
  5. Step 5: Solve for x
    x = 36,638,383,575.31/220,828.83
  6. Step 6: Final answer
    x = 165,913.05

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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.