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Finding the Fourth Proportional to 306,203.00, 422,569.29 and 168,374.76

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Solution

The fourth proportional to 306,203.00, 422,569.29 and 168,374.76 is: 232,362.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,203.00 : 422,569.29 = 168,374.76 : x
  2. Step 2: Convert to fraction form
    306,203.00/422,569.29 = 168,374.76/x
  3. Step 3: Cross multiply
    306,203.00x = 422,569.29 × 168,374.76
  4. Step 4: Simplify right side
    306,203.00x = 71,150,003,843.54
  5. Step 5: Solve for x
    x = 71,150,003,843.54/306,203.00
  6. Step 6: Final answer
    x = 232,362.21

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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.