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Finding the Fourth Proportional to 206,687.04, 310,007.52 and 56,938.56

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Solution

The fourth proportional to 206,687.04, 310,007.52 and 56,938.56 is: 85,401.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,687.04 : 310,007.52 = 56,938.56 : x
  2. Step 2: Convert to fraction form
    206,687.04/310,007.52 = 56,938.56/x
  3. Step 3: Cross multiply
    206,687.04x = 310,007.52 × 56,938.56
  4. Step 4: Simplify right side
    206,687.04x = 17,651,381,777.97
  5. Step 5: Solve for x
    x = 17,651,381,777.97/206,687.04
  6. Step 6: Final answer
    x = 85,401.49

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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.