Home / 219,742.20-330,138.18-141,010.20

Finding the Fourth Proportional to 219,742.20, 330,138.18 and 141,010.20

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Solution

The fourth proportional to 219,742.20, 330,138.18 and 141,010.20 is: 211,852.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,742.20 : 330,138.18 = 141,010.20 : x
  2. Step 2: Convert to fraction form
    219,742.20/330,138.18 = 141,010.20/x
  3. Step 3: Cross multiply
    219,742.20x = 330,138.18 × 141,010.20
  4. Step 4: Simplify right side
    219,742.20x = 46,552,850,789.44
  5. Step 5: Solve for x
    x = 46,552,850,789.44/219,742.20
  6. Step 6: Final answer
    x = 211,852.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.