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Finding the Fourth Proportional to 273,219.40, 409,829.10 and 168,243.40

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Solution

The fourth proportional to 273,219.40, 409,829.10 and 168,243.40 is: 252,365.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,219.40 : 409,829.10 = 168,243.40 : x
  2. Step 2: Convert to fraction form
    273,219.40/409,829.10 = 168,243.40/x
  3. Step 3: Cross multiply
    273,219.40x = 409,829.10 × 168,243.40
  4. Step 4: Simplify right side
    273,219.40x = 68,951,041,202.94
  5. Step 5: Solve for x
    x = 68,951,041,202.94/273,219.40
  6. Step 6: Final answer
    x = 252,365.10

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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.