Home / 221,248.28-331,405.80-150,214.52

Finding the Fourth Proportional to 221,248.28, 331,405.80 and 150,214.52

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Solution

The fourth proportional to 221,248.28, 331,405.80 and 150,214.52 is: 225,004.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,248.28 : 331,405.80 = 150,214.52 : x
  2. Step 2: Convert to fraction form
    221,248.28/331,405.80 = 150,214.52/x
  3. Step 3: Cross multiply
    221,248.28x = 331,405.80 × 150,214.52
  4. Step 4: Simplify right side
    221,248.28x = 49,781,963,172.22
  5. Step 5: Solve for x
    x = 49,781,963,172.22/221,248.28
  6. Step 6: Final answer
    x = 225,004.97

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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.