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Finding the Fourth Proportional to 300,535.36, 450,729.93 and 100,803.94

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Solution

The fourth proportional to 300,535.36, 450,729.93 and 100,803.94 is: 151,181.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,535.36 : 450,729.93 = 100,803.94 : x
  2. Step 2: Convert to fraction form
    300,535.36/450,729.93 = 100,803.94/x
  3. Step 3: Cross multiply
    300,535.36x = 450,729.93 × 100,803.94
  4. Step 4: Simplify right side
    300,535.36x = 45,435,352,819.92
  5. Step 5: Solve for x
    x = 45,435,352,819.92/300,535.36
  6. Step 6: Final answer
    x = 151,181.39

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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.