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Finding the Fourth Proportional to 244,941.20, 366,958.20 and 139,446.80

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Solution

The fourth proportional to 244,941.20, 366,958.20 and 139,446.80 is: 208,911.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,941.20 : 366,958.20 = 139,446.80 : x
  2. Step 2: Convert to fraction form
    244,941.20/366,958.20 = 139,446.80/x
  3. Step 3: Cross multiply
    244,941.20x = 366,958.20 × 139,446.80
  4. Step 4: Simplify right side
    244,941.20x = 51,171,146,723.76
  5. Step 5: Solve for x
    x = 51,171,146,723.76/244,941.20
  6. Step 6: Final answer
    x = 208,911.96

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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.