Home / 445,524.40-668,286.60-165,005.20

Finding the Fourth Proportional to 445,524.40, 668,286.60 and 165,005.20

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Solution

The fourth proportional to 445,524.40, 668,286.60 and 165,005.20 is: 247,507.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,524.40 : 668,286.60 = 165,005.20 : x
  2. Step 2: Convert to fraction form
    445,524.40/668,286.60 = 165,005.20/x
  3. Step 3: Cross multiply
    445,524.40x = 668,286.60 × 165,005.20
  4. Step 4: Simplify right side
    445,524.40x = 110,270,764,090.32
  5. Step 5: Solve for x
    x = 110,270,764,090.32/445,524.40
  6. Step 6: Final answer
    x = 247,507.80

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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.