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Finding the Fourth Proportional to 329,954.89, 455,337.75 and 179,051.89

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Solution

The fourth proportional to 329,954.89, 455,337.75 and 179,051.89 is: 247,091.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,954.89 : 455,337.75 = 179,051.89 : x
  2. Step 2: Convert to fraction form
    329,954.89/455,337.75 = 179,051.89/x
  3. Step 3: Cross multiply
    329,954.89x = 455,337.75 × 179,051.89
  4. Step 4: Simplify right side
    329,954.89x = 81,529,084,725.85
  5. Step 5: Solve for x
    x = 81,529,084,725.85/329,954.89
  6. Step 6: Final answer
    x = 247,091.61

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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.