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Finding the Fourth Proportional to 218,163.60, 327,245.40 and 151,808.40

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Solution

The fourth proportional to 218,163.60, 327,245.40 and 151,808.40 is: 227,712.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,163.60 : 327,245.40 = 151,808.40 : x
  2. Step 2: Convert to fraction form
    218,163.60/327,245.40 = 151,808.40/x
  3. Step 3: Cross multiply
    218,163.60x = 327,245.40 × 151,808.40
  4. Step 4: Simplify right side
    218,163.60x = 49,678,600,581.36
  5. Step 5: Solve for x
    x = 49,678,600,581.36/218,163.60
  6. Step 6: Final answer
    x = 227,712.60

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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.