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Finding the Fourth Proportional to 630,674.33, 945,449.01 and 231,222.02

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Solution

The fourth proportional to 630,674.33, 945,449.01 and 231,222.02 is: 346,626.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,674.33 : 945,449.01 = 231,222.02 : x
  2. Step 2: Convert to fraction form
    630,674.33/945,449.01 = 231,222.02/x
  3. Step 3: Cross multiply
    630,674.33x = 945,449.01 × 231,222.02
  4. Step 4: Simplify right side
    630,674.33x = 218,608,625,171.96
  5. Step 5: Solve for x
    x = 218,608,625,171.96/630,674.33
  6. Step 6: Final answer
    x = 346,626.80

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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.