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Finding the Fourth Proportional to 221,317.84, 331,976.10 and 94,876.12

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Solution

The fourth proportional to 221,317.84, 331,976.10 and 94,876.12 is: 142,313.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,317.84 : 331,976.10 = 94,876.12 : x
  2. Step 2: Convert to fraction form
    221,317.84/331,976.10 = 94,876.12/x
  3. Step 3: Cross multiply
    221,317.84x = 331,976.10 × 94,876.12
  4. Step 4: Simplify right side
    221,317.84x = 31,496,604,300.73
  5. Step 5: Solve for x
    x = 31,496,604,300.73/221,317.84
  6. Step 6: Final answer
    x = 142,313.90

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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.