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Finding the Fourth Proportional to 270,415.60, 404,845.80 and 165,439.60

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Solution

The fourth proportional to 270,415.60, 404,845.80 and 165,439.60 is: 247,683.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,415.60 : 404,845.80 = 165,439.60 : x
  2. Step 2: Convert to fraction form
    270,415.60/404,845.80 = 165,439.60/x
  3. Step 3: Cross multiply
    270,415.60x = 404,845.80 × 165,439.60
  4. Step 4: Simplify right side
    270,415.60x = 66,977,527,213.68
  5. Step 5: Solve for x
    x = 66,977,527,213.68/270,415.60
  6. Step 6: Final answer
    x = 247,683.67

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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.