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Finding the Fourth Proportional to 300,807.54, 450,977.11 and 148,899.81

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Solution

The fourth proportional to 300,807.54, 450,977.11 and 148,899.81 is: 223,233.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,807.54 : 450,977.11 = 148,899.81 : x
  2. Step 2: Convert to fraction form
    300,807.54/450,977.11 = 148,899.81/x
  3. Step 3: Cross multiply
    300,807.54x = 450,977.11 × 148,899.81
  4. Step 4: Simplify right side
    300,807.54x = 67,150,405,993.35
  5. Step 5: Solve for x
    x = 67,150,405,993.35/300,807.54
  6. Step 6: Final answer
    x = 223,233.79

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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.