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Finding the Fourth Proportional to 492,273.40, 738,410.10 and 303,316.60

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Solution

The fourth proportional to 492,273.40, 738,410.10 and 303,316.60 is: 454,974.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,273.40 : 738,410.10 = 303,316.60 : x
  2. Step 2: Convert to fraction form
    492,273.40/738,410.10 = 303,316.60/x
  3. Step 3: Cross multiply
    492,273.40x = 738,410.10 × 303,316.60
  4. Step 4: Simplify right side
    492,273.40x = 223,972,040,937.66
  5. Step 5: Solve for x
    x = 223,972,040,937.66/492,273.40
  6. Step 6: Final answer
    x = 454,974.90

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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.