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Finding the Fourth Proportional to 373,134.92, 514,936.98 and 203,380.04

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Solution

The fourth proportional to 373,134.92, 514,936.98 and 203,380.04 is: 280,670.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,134.92 : 514,936.98 = 203,380.04 : x
  2. Step 2: Convert to fraction form
    373,134.92/514,936.98 = 203,380.04/x
  3. Step 3: Cross multiply
    373,134.92x = 514,936.98 × 203,380.04
  4. Step 4: Simplify right side
    373,134.92x = 104,727,903,589.88
  5. Step 5: Solve for x
    x = 104,727,903,589.88/373,134.92
  6. Step 6: Final answer
    x = 280,670.34

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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.