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Finding the Fourth Proportional to 347,337.87, 479,352.06 and 194,391.42

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Solution

The fourth proportional to 347,337.87, 479,352.06 and 194,391.42 is: 268,274.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,337.87 : 479,352.06 = 194,391.42 : x
  2. Step 2: Convert to fraction form
    347,337.87/479,352.06 = 194,391.42/x
  3. Step 3: Cross multiply
    347,337.87x = 479,352.06 × 194,391.42
  4. Step 4: Simplify right side
    347,337.87x = 93,181,927,623.33
  5. Step 5: Solve for x
    x = 93,181,927,623.33/347,337.87
  6. Step 6: Final answer
    x = 268,274.60

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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.