Home / 221,231.25-331,818.63-71,455.97

Finding the Fourth Proportional to 221,231.25, 331,818.63 and 71,455.97

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Solution

The fourth proportional to 221,231.25, 331,818.63 and 71,455.97 is: 107,174.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,231.25 : 331,818.63 = 71,455.97 : x
  2. Step 2: Convert to fraction form
    221,231.25/331,818.63 = 71,455.97/x
  3. Step 3: Cross multiply
    221,231.25x = 331,818.63 × 71,455.97
  4. Step 4: Simplify right side
    221,231.25x = 23,710,422,632.31
  5. Step 5: Solve for x
    x = 23,710,422,632.31/221,231.25
  6. Step 6: Final answer
    x = 107,174.83

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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.