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Finding the Fourth Proportional to 394,219.39, 591,702.93 and 244,005.29

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Solution

The fourth proportional to 394,219.39, 591,702.93 and 244,005.29 is: 366,239.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,219.39 : 591,702.93 = 244,005.29 : x
  2. Step 2: Convert to fraction form
    394,219.39/591,702.93 = 244,005.29/x
  3. Step 3: Cross multiply
    394,219.39x = 591,702.93 × 244,005.29
  4. Step 4: Simplify right side
    394,219.39x = 144,378,643,808.47
  5. Step 5: Solve for x
    x = 144,378,643,808.47/394,219.39
  6. Step 6: Final answer
    x = 366,239.33

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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.