Home / 221,299.20-331,948.19-94,857.45

Finding the Fourth Proportional to 221,299.20, 331,948.19 and 94,857.45

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Solution

The fourth proportional to 221,299.20, 331,948.19 and 94,857.45 is: 142,285.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,299.20 : 331,948.19 = 94,857.45 : x
  2. Step 2: Convert to fraction form
    221,299.20/331,948.19 = 94,857.45/x
  3. Step 3: Cross multiply
    221,299.20x = 331,948.19 × 94,857.45
  4. Step 4: Simplify right side
    221,299.20x = 31,487,758,835.52
  5. Step 5: Solve for x
    x = 31,487,758,835.52/221,299.20
  6. Step 6: Final answer
    x = 142,285.91

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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.