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Finding the Fourth Proportional to 365,901.81, 504,883.85 and 215,027.97

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Solution

The fourth proportional to 365,901.81, 504,883.85 and 215,027.97 is: 296,702.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,901.81 : 504,883.85 = 215,027.97 : x
  2. Step 2: Convert to fraction form
    365,901.81/504,883.85 = 215,027.97/x
  3. Step 3: Cross multiply
    365,901.81x = 504,883.85 × 215,027.97
  4. Step 4: Simplify right side
    365,901.81x = 108,564,148,276.15
  5. Step 5: Solve for x
    x = 108,564,148,276.15/365,901.81
  6. Step 6: Final answer
    x = 296,702.96

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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.