Home / 296,942.06-409,966.90-206,268.86

Finding the Fourth Proportional to 296,942.06, 409,966.90 and 206,268.86

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Solution

The fourth proportional to 296,942.06, 409,966.90 and 206,268.86 is: 284,780.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,942.06 : 409,966.90 = 206,268.86 : x
  2. Step 2: Convert to fraction form
    296,942.06/409,966.90 = 206,268.86/x
  3. Step 3: Cross multiply
    296,942.06x = 409,966.90 × 206,268.86
  4. Step 4: Simplify right side
    296,942.06x = 84,563,405,100.73
  5. Step 5: Solve for x
    x = 84,563,405,100.73/296,942.06
  6. Step 6: Final answer
    x = 284,780.83

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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.