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Finding the Fourth Proportional to 330,200.60, 495,819.30 and 190,232.60

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Solution

The fourth proportional to 330,200.60, 495,819.30 and 190,232.60 is: 285,647.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,200.60 : 495,819.30 = 190,232.60 : x
  2. Step 2: Convert to fraction form
    330,200.60/495,819.30 = 190,232.60/x
  3. Step 3: Cross multiply
    330,200.60x = 495,819.30 × 190,232.60
  4. Step 4: Simplify right side
    330,200.60x = 94,320,994,569.18
  5. Step 5: Solve for x
    x = 94,320,994,569.18/330,200.60
  6. Step 6: Final answer
    x = 285,647.56

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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.