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Finding the Fourth Proportional to 347,370.48, 479,219.07 and 204,065.88

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Solution

The fourth proportional to 347,370.48, 479,219.07 and 204,065.88 is: 281,521.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,370.48 : 479,219.07 = 204,065.88 : x
  2. Step 2: Convert to fraction form
    347,370.48/479,219.07 = 204,065.88/x
  3. Step 3: Cross multiply
    347,370.48x = 479,219.07 × 204,065.88
  4. Step 4: Simplify right side
    347,370.48x = 97,792,261,232.33
  5. Step 5: Solve for x
    x = 97,792,261,232.33/347,370.48
  6. Step 6: Final answer
    x = 281,521.51

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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.