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Finding the Fourth Proportional to 275,455.60, 412,405.80 and 275,455.60

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Solution

The fourth proportional to 275,455.60, 412,405.80 and 275,455.60 is: 412,405.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,455.60 : 412,405.80 = 275,455.60 : x
  2. Step 2: Convert to fraction form
    275,455.60/412,405.80 = 275,455.60/x
  3. Step 3: Cross multiply
    275,455.60x = 412,405.80 × 275,455.60
  4. Step 4: Simplify right side
    275,455.60x = 113,599,487,082.48
  5. Step 5: Solve for x
    x = 113,599,487,082.48/275,455.60
  6. Step 6: Final answer
    x = 412,405.80

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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.