Home / 276,445.20-413,890.20-248,451.60

Finding the Fourth Proportional to 276,445.20, 413,890.20 and 248,451.60

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Solution

The fourth proportional to 276,445.20, 413,890.20 and 248,451.60 is: 371,978.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,445.20 : 413,890.20 = 248,451.60 : x
  2. Step 2: Convert to fraction form
    276,445.20/413,890.20 = 248,451.60/x
  3. Step 3: Cross multiply
    276,445.20x = 413,890.20 × 248,451.60
  4. Step 4: Simplify right side
    276,445.20x = 102,831,682,414.32
  5. Step 5: Solve for x
    x = 102,831,682,414.32/276,445.20
  6. Step 6: Final answer
    x = 371,978.54

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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.