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Finding the Fourth Proportional to 264,158.22, 396,230.22 and 74,631.63

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Solution

The fourth proportional to 264,158.22, 396,230.22 and 74,631.63 is: 111,945.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,158.22 : 396,230.22 = 74,631.63 : x
  2. Step 2: Convert to fraction form
    264,158.22/396,230.22 = 74,631.63/x
  3. Step 3: Cross multiply
    264,158.22x = 396,230.22 × 74,631.63
  4. Step 4: Simplify right side
    264,158.22x = 29,571,307,173.86
  5. Step 5: Solve for x
    x = 29,571,307,173.86/264,158.22
  6. Step 6: Final answer
    x = 111,945.44

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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.