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Finding the Fourth Proportional to 219,993, 303,669.06 and 130,569

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Solution

The fourth proportional to 219,993, 303,669.06 and 130,569 is: 180,231.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,993 : 303,669.06 = 130,569 : x
  2. Step 2: Convert to fraction form
    219,993/303,669.06 = 130,569/x
  3. Step 3: Cross multiply
    219,993x = 303,669.06 × 130,569
  4. Step 4: Simplify right side
    219,993x = 39,649,765,495.14
  5. Step 5: Solve for x
    x = 39,649,765,495.14/219,993
  6. Step 6: Final answer
    x = 180,231.94

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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.