Home / 206,579.70-309,432.15-184,418.10

Finding the Fourth Proportional to 206,579.70, 309,432.15 and 184,418.10

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Solution

The fourth proportional to 206,579.70, 309,432.15 and 184,418.10 is: 276,236.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,579.70 : 309,432.15 = 184,418.10 : x
  2. Step 2: Convert to fraction form
    206,579.70/309,432.15 = 184,418.10/x
  3. Step 3: Cross multiply
    206,579.70x = 309,432.15 × 184,418.10
  4. Step 4: Simplify right side
    206,579.70x = 57,064,889,181.92
  5. Step 5: Solve for x
    x = 57,064,889,181.92/206,579.70
  6. Step 6: Final answer
    x = 276,236.67

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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.