Home / 221,235.75-331,825.37-71,460.50

Finding the Fourth Proportional to 221,235.75, 331,825.37 and 71,460.50

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Solution

The fourth proportional to 221,235.75, 331,825.37 and 71,460.50 is: 107,181.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,235.75 : 331,825.37 = 71,460.50 : x
  2. Step 2: Convert to fraction form
    221,235.75/331,825.37 = 71,460.50/x
  3. Step 3: Cross multiply
    221,235.75x = 331,825.37 × 71,460.50
  4. Step 4: Simplify right side
    221,235.75x = 23,712,404,836.46
  5. Step 5: Solve for x
    x = 23,712,404,836.46/221,235.75
  6. Step 6: Final answer
    x = 107,181.61

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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.