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Finding the Fourth Proportional to 361,393.46, 542,047.13 and 95,174.74

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Solution

The fourth proportional to 361,393.46, 542,047.13 and 95,174.74 is: 142,750.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,393.46 : 542,047.13 = 95,174.74 : x
  2. Step 2: Convert to fraction form
    361,393.46/542,047.13 = 95,174.74/x
  3. Step 3: Cross multiply
    361,393.46x = 542,047.13 × 95,174.74
  4. Step 4: Simplify right side
    361,393.46x = 51,589,194,665.50
  5. Step 5: Solve for x
    x = 51,589,194,665.50/361,393.46
  6. Step 6: Final answer
    x = 142,750.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.