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Finding the Fourth Proportional to 611,481.27, 917,334.67 and 201,173.67

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Solution

The fourth proportional to 611,481.27, 917,334.67 and 201,173.67 is: 301,797.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,481.27 : 917,334.67 = 201,173.67 : x
  2. Step 2: Convert to fraction form
    611,481.27/917,334.67 = 201,173.67/x
  3. Step 3: Cross multiply
    611,481.27x = 917,334.67 × 201,173.67
  4. Step 4: Simplify right side
    611,481.27x = 184,543,581,679.21
  5. Step 5: Solve for x
    x = 184,543,581,679.21/611,481.27
  6. Step 6: Final answer
    x = 301,797.60

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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.