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Finding the Fourth Proportional to 300,001.80, 449,273.70 and 159,450.60

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Solution

The fourth proportional to 300,001.80, 449,273.70 and 159,450.60 is: 238,788.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,001.80 : 449,273.70 = 159,450.60 : x
  2. Step 2: Convert to fraction form
    300,001.80/449,273.70 = 159,450.60/x
  3. Step 3: Cross multiply
    300,001.80x = 449,273.70 × 159,450.60
  4. Step 4: Simplify right side
    300,001.80x = 71,636,961,029.22
  5. Step 5: Solve for x
    x = 71,636,961,029.22/300,001.80
  6. Step 6: Final answer
    x = 238,788.44

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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.