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Finding the Fourth Proportional to 365,738.96, 548,609.15 and 197,338.55

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Solution

The fourth proportional to 365,738.96, 548,609.15 and 197,338.55 is: 296,008.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,738.96 : 548,609.15 = 197,338.55 : x
  2. Step 2: Convert to fraction form
    365,738.96/548,609.15 = 197,338.55/x
  3. Step 3: Cross multiply
    365,738.96x = 548,609.15 × 197,338.55
  4. Step 4: Simplify right side
    365,738.96x = 108,261,731,928.03
  5. Step 5: Solve for x
    x = 108,261,731,928.03/365,738.96
  6. Step 6: Final answer
    x = 296,008.20

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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.