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Finding the Fourth Proportional to 300,242.20, 450,292.55 and 110,599.59

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Solution

The fourth proportional to 300,242.20, 450,292.55 and 110,599.59 is: 165,873.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,242.20 : 450,292.55 = 110,599.59 : x
  2. Step 2: Convert to fraction form
    300,242.20/450,292.55 = 110,599.59/x
  3. Step 3: Cross multiply
    300,242.20x = 450,292.55 × 110,599.59
  4. Step 4: Simplify right side
    300,242.20x = 49,802,171,410.05
  5. Step 5: Solve for x
    x = 49,802,171,410.05/300,242.20
  6. Step 6: Final answer
    x = 165,873.32

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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.