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Finding the Fourth Proportional to 347,744.56, 479,889.48 and 204,510.64

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Solution

The fourth proportional to 347,744.56, 479,889.48 and 204,510.64 is: 282,225.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,744.56 : 479,889.48 = 204,510.64 : x
  2. Step 2: Convert to fraction form
    347,744.56/479,889.48 = 204,510.64/x
  3. Step 3: Cross multiply
    347,744.56x = 479,889.48 × 204,510.64
  4. Step 4: Simplify right side
    347,744.56x = 98,142,504,684.07
  5. Step 5: Solve for x
    x = 98,142,504,684.07/347,744.56
  6. Step 6: Final answer
    x = 282,225.85

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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.