Home / 303,242.31-454,815.24-100,821.60

Finding the Fourth Proportional to 303,242.31, 454,815.24 and 100,821.60

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Solution

The fourth proportional to 303,242.31, 454,815.24 and 100,821.60 is: 151,216.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,242.31 : 454,815.24 = 100,821.60 : x
  2. Step 2: Convert to fraction form
    303,242.31/454,815.24 = 100,821.60/x
  3. Step 3: Cross multiply
    303,242.31x = 454,815.24 × 100,821.60
  4. Step 4: Simplify right side
    303,242.31x = 45,855,200,201.18
  5. Step 5: Solve for x
    x = 45,855,200,201.18/303,242.31
  6. Step 6: Final answer
    x = 151,216.37

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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.