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Finding the Fourth Proportional to 228,799, 342,871.44 and 100,561.60

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Solution

The fourth proportional to 228,799, 342,871.44 and 100,561.60 is: 150,698.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,799 : 342,871.44 = 100,561.60 : x
  2. Step 2: Convert to fraction form
    228,799/342,871.44 = 100,561.60/x
  3. Step 3: Cross multiply
    228,799x = 342,871.44 × 100,561.60
  4. Step 4: Simplify right side
    228,799x = 34,479,700,600.70
  5. Step 5: Solve for x
    x = 34,479,700,600.70/228,799
  6. Step 6: Final answer
    x = 150,698.65

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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.