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Finding the Fourth Proportional to 275,170.54, 412,687.44 and 155,280.12

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Solution

The fourth proportional to 275,170.54, 412,687.44 and 155,280.12 is: 232,881.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,170.54 : 412,687.44 = 155,280.12 : x
  2. Step 2: Convert to fraction form
    275,170.54/412,687.44 = 155,280.12/x
  3. Step 3: Cross multiply
    275,170.54x = 412,687.44 × 155,280.12
  4. Step 4: Simplify right side
    275,170.54x = 64,082,155,205.69
  5. Step 5: Solve for x
    x = 64,082,155,205.69/275,170.54
  6. Step 6: Final answer
    x = 232,881.60

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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.