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Finding the Fourth Proportional to 329,062.54, 454,107.72 and 178,159.54

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Solution

The fourth proportional to 329,062.54, 454,107.72 and 178,159.54 is: 245,860.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,062.54 : 454,107.72 = 178,159.54 : x
  2. Step 2: Convert to fraction form
    329,062.54/454,107.72 = 178,159.54/x
  3. Step 3: Cross multiply
    329,062.54x = 454,107.72 × 178,159.54
  4. Step 4: Simplify right side
    329,062.54x = 80,903,622,505.65
  5. Step 5: Solve for x
    x = 80,903,622,505.65/329,062.54
  6. Step 6: Final answer
    x = 245,860.93

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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.