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Finding the Fourth Proportional to 373,735.38, 515,747.61 and 203,970.72

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Solution

The fourth proportional to 373,735.38, 515,747.61 and 203,970.72 is: 281,475.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,735.38 : 515,747.61 = 203,970.72 : x
  2. Step 2: Convert to fraction form
    373,735.38/515,747.61 = 203,970.72/x
  3. Step 3: Cross multiply
    373,735.38x = 515,747.61 × 203,970.72
  4. Step 4: Simplify right side
    373,735.38x = 105,197,411,349.98
  5. Step 5: Solve for x
    x = 105,197,411,349.98/373,735.38
  6. Step 6: Final answer
    x = 281,475.66

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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.