Home / 285,839.46-393,560.37-242,728.56

Finding the Fourth Proportional to 285,839.46, 393,560.37 and 242,728.56

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Solution

The fourth proportional to 285,839.46, 393,560.37 and 242,728.56 is: 334,202.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,839.46 : 393,560.37 = 242,728.56 : x
  2. Step 2: Convert to fraction form
    285,839.46/393,560.37 = 242,728.56/x
  3. Step 3: Cross multiply
    285,839.46x = 393,560.37 × 242,728.56
  4. Step 4: Simplify right side
    285,839.46x = 95,528,341,883.17
  5. Step 5: Solve for x
    x = 95,528,341,883.17/285,839.46
  6. Step 6: Final answer
    x = 334,202.78

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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.