Home / 276,949.30-415,095.90-206,746.60

Finding the Fourth Proportional to 276,949.30, 415,095.90 and 206,746.60

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Solution

The fourth proportional to 276,949.30, 415,095.90 and 206,746.60 is: 309,875.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,949.30 : 415,095.90 = 206,746.60 : x
  2. Step 2: Convert to fraction form
    276,949.30/415,095.90 = 206,746.60/x
  3. Step 3: Cross multiply
    276,949.30x = 415,095.90 × 206,746.60
  4. Step 4: Simplify right side
    276,949.30x = 85,819,665,998.94
  5. Step 5: Solve for x
    x = 85,819,665,998.94/276,949.30
  6. Step 6: Final answer
    x = 309,875.01

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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.