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Finding the Fourth Proportional to 366,325.21, 548,823.37 and 270,499.64

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Solution

The fourth proportional to 366,325.21, 548,823.37 and 270,499.64 is: 405,258.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,325.21 : 548,823.37 = 270,499.64 : x
  2. Step 2: Convert to fraction form
    366,325.21/548,823.37 = 270,499.64/x
  3. Step 3: Cross multiply
    366,325.21x = 548,823.37 × 270,499.64
  4. Step 4: Simplify right side
    366,325.21x = 148,456,524,008.59
  5. Step 5: Solve for x
    x = 148,456,524,008.59/366,325.21
  6. Step 6: Final answer
    x = 405,258.82

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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.