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Finding the Fourth Proportional to 270,489.60, 404,812.80 and 270,489.60

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Solution

The fourth proportional to 270,489.60, 404,812.80 and 270,489.60 is: 404,812.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,489.60 : 404,812.80 = 270,489.60 : x
  2. Step 2: Convert to fraction form
    270,489.60/404,812.80 = 270,489.60/x
  3. Step 3: Cross multiply
    270,489.60x = 404,812.80 × 270,489.60
  4. Step 4: Simplify right side
    270,489.60x = 109,497,652,346.88
  5. Step 5: Solve for x
    x = 109,497,652,346.88/270,489.60
  6. Step 6: Final answer
    x = 404,812.80

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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.