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Finding the Fourth Proportional to 216,362.26, 298,579.17 and 119,563.44

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Solution

The fourth proportional to 216,362.26, 298,579.17 and 119,563.44 is: 164,997.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,362.26 : 298,579.17 = 119,563.44 : x
  2. Step 2: Convert to fraction form
    216,362.26/298,579.17 = 119,563.44/x
  3. Step 3: Cross multiply
    216,362.26x = 298,579.17 × 119,563.44
  4. Step 4: Simplify right side
    216,362.26x = 35,699,152,677.54
  5. Step 5: Solve for x
    x = 35,699,152,677.54/216,362.26
  6. Step 6: Final answer
    x = 164,997.13

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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.