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Finding the Fourth Proportional to 234,155.00, 323,058.48 and 143,416.37

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Solution

The fourth proportional to 234,155.00, 323,058.48 and 143,416.37 is: 197,868.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,155.00 : 323,058.48 = 143,416.37 : x
  2. Step 2: Convert to fraction form
    234,155.00/323,058.48 = 143,416.37/x
  3. Step 3: Cross multiply
    234,155.00x = 323,058.48 × 143,416.37
  4. Step 4: Simplify right side
    234,155.00x = 46,331,874,769.15
  5. Step 5: Solve for x
    x = 46,331,874,769.15/234,155.00
  6. Step 6: Final answer
    x = 197,868.40

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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.