Home / 221,035.10-331,552.65-165,739.10

Finding the Fourth Proportional to 221,035.10, 331,552.65 and 165,739.10

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Solution

The fourth proportional to 221,035.10, 331,552.65 and 165,739.10 is: 248,608.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,035.10 : 331,552.65 = 165,739.10 : x
  2. Step 2: Convert to fraction form
    221,035.10/331,552.65 = 165,739.10/x
  3. Step 3: Cross multiply
    221,035.10x = 331,552.65 × 165,739.10
  4. Step 4: Simplify right side
    221,035.10x = 54,951,237,813.62
  5. Step 5: Solve for x
    x = 54,951,237,813.62/221,035.10
  6. Step 6: Final answer
    x = 248,608.65

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1.5x scale

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.