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Finding the Fourth Proportional to 347,174.46, 479,124.87 and 194,263.02

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Solution

The fourth proportional to 347,174.46, 479,124.87 and 194,263.02 is: 268,096.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,174.46 : 479,124.87 = 194,263.02 : x
  2. Step 2: Convert to fraction form
    347,174.46/479,124.87 = 194,263.02/x
  3. Step 3: Cross multiply
    347,174.46x = 479,124.87 × 194,263.02
  4. Step 4: Simplify right side
    347,174.46x = 93,076,244,203.31
  5. Step 5: Solve for x
    x = 93,076,244,203.31/347,174.46
  6. Step 6: Final answer
    x = 268,096.46

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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.