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Finding the Fourth Proportional to 194,611.30, 292,135.65 and 150,433.90

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Solution

The fourth proportional to 194,611.30, 292,135.65 and 150,433.90 is: 225,819.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,611.30 : 292,135.65 = 150,433.90 : x
  2. Step 2: Convert to fraction form
    194,611.30/292,135.65 = 150,433.90/x
  3. Step 3: Cross multiply
    194,611.30x = 292,135.65 × 150,433.90
  4. Step 4: Simplify right side
    194,611.30x = 43,947,105,158.54
  5. Step 5: Solve for x
    x = 43,947,105,158.54/194,611.30
  6. Step 6: Final answer
    x = 225,819.90

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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.