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Finding the Fourth Proportional to 268,906.60, 403,359.90 and 233,914.60

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Solution

The fourth proportional to 268,906.60, 403,359.90 and 233,914.60 is: 350,871.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,906.60 : 403,359.90 = 233,914.60 : x
  2. Step 2: Convert to fraction form
    268,906.60/403,359.90 = 233,914.60/x
  3. Step 3: Cross multiply
    268,906.60x = 403,359.90 × 233,914.60
  4. Step 4: Simplify right side
    268,906.60x = 94,351,769,664.54
  5. Step 5: Solve for x
    x = 94,351,769,664.54/268,906.60
  6. Step 6: Final answer
    x = 350,871.90

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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.