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Finding the Fourth Proportional to 330,003.90, 494,677.80 and 152,200.80

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Solution

The fourth proportional to 330,003.90, 494,677.80 and 152,200.80 is: 228,149.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,003.90 : 494,677.80 = 152,200.80 : x
  2. Step 2: Convert to fraction form
    330,003.90/494,677.80 = 152,200.80/x
  3. Step 3: Cross multiply
    330,003.90x = 494,677.80 × 152,200.80
  4. Step 4: Simplify right side
    330,003.90x = 75,290,356,902.24
  5. Step 5: Solve for x
    x = 75,290,356,902.24/330,003.90
  6. Step 6: Final answer
    x = 228,149.90

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1.5x scale

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.