Home / 298,787.21-412,145.03-177,847.73

Finding the Fourth Proportional to 298,787.21, 412,145.03 and 177,847.73

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Solution

The fourth proportional to 298,787.21, 412,145.03 and 177,847.73 is: 245,321.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,787.21 : 412,145.03 = 177,847.73 : x
  2. Step 2: Convert to fraction form
    298,787.21/412,145.03 = 177,847.73/x
  3. Step 3: Cross multiply
    298,787.21x = 412,145.03 × 177,847.73
  4. Step 4: Simplify right side
    298,787.21x = 73,299,055,066.32
  5. Step 5: Solve for x
    x = 73,299,055,066.32/298,787.21
  6. Step 6: Final answer
    x = 245,321.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.