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Finding the Fourth Proportional to 300,137.98, 450,206.97 and 113,105.74

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Solution

The fourth proportional to 300,137.98, 450,206.97 and 113,105.74 is: 169,658.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,137.98 : 450,206.97 = 113,105.74 : x
  2. Step 2: Convert to fraction form
    300,137.98/450,206.97 = 113,105.74/x
  3. Step 3: Cross multiply
    300,137.98x = 450,206.97 × 113,105.74
  4. Step 4: Simplify right side
    300,137.98x = 50,920,992,495.01
  5. Step 5: Solve for x
    x = 50,920,992,495.01/300,137.98
  6. Step 6: Final answer
    x = 169,658.61

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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.