Home / 206,433.84-309,236.04-123,282.48

Finding the Fourth Proportional to 206,433.84, 309,236.04 and 123,282.48

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Solution

The fourth proportional to 206,433.84, 309,236.04 and 123,282.48 is: 184,676.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,433.84 : 309,236.04 = 123,282.48 : x
  2. Step 2: Convert to fraction form
    206,433.84/309,236.04 = 123,282.48/x
  3. Step 3: Cross multiply
    206,433.84x = 309,236.04 × 123,282.48
  4. Step 4: Simplify right side
    206,433.84x = 38,123,385,916.58
  5. Step 5: Solve for x
    x = 38,123,385,916.58/206,433.84
  6. Step 6: Final answer
    x = 184,676.05

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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.