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Finding the Fourth Proportional to 243,260.88, 364,647.24 and 100,912.56

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Solution

The fourth proportional to 243,260.88, 364,647.24 and 100,912.56 is: 151,267.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,260.88 : 364,647.24 = 100,912.56 : x
  2. Step 2: Convert to fraction form
    243,260.88/364,647.24 = 100,912.56/x
  3. Step 3: Cross multiply
    243,260.88x = 364,647.24 × 100,912.56
  4. Step 4: Simplify right side
    243,260.88x = 36,797,486,485.33
  5. Step 5: Solve for x
    x = 36,797,486,485.33/243,260.88
  6. Step 6: Final answer
    x = 151,267.59

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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.