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Finding the Fourth Proportional to 203,219.60, 304,829.40 and 199,331.60

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Solution

The fourth proportional to 203,219.60, 304,829.40 and 199,331.60 is: 298,997.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,219.60 : 304,829.40 = 199,331.60 : x
  2. Step 2: Convert to fraction form
    203,219.60/304,829.40 = 199,331.60/x
  3. Step 3: Cross multiply
    203,219.60x = 304,829.40 × 199,331.60
  4. Step 4: Simplify right side
    203,219.60x = 60,762,132,029.04
  5. Step 5: Solve for x
    x = 60,762,132,029.04/203,219.60
  6. Step 6: Final answer
    x = 298,997.40

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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.