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Finding the Fourth Proportional to 300,240.70, 450,290.30 and 110,598.09

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Solution

The fourth proportional to 300,240.70, 450,290.30 and 110,598.09 is: 165,871.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,240.70 : 450,290.30 = 110,598.09 : x
  2. Step 2: Convert to fraction form
    300,240.70/450,290.30 = 110,598.09/x
  3. Step 3: Cross multiply
    300,240.70x = 450,290.30 × 110,598.09
  4. Step 4: Simplify right side
    300,240.70x = 49,801,245,150.57
  5. Step 5: Solve for x
    x = 49,801,245,150.57/300,240.70
  6. Step 6: Final answer
    x = 165,871.07

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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.