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Finding the Fourth Proportional to 330,108, 455,554.56 and 179,205

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Solution

The fourth proportional to 330,108, 455,554.56 and 179,205 is: 247,305.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,108 : 455,554.56 = 179,205 : x
  2. Step 2: Convert to fraction form
    330,108/455,554.56 = 179,205/x
  3. Step 3: Cross multiply
    330,108x = 455,554.56 × 179,205
  4. Step 4: Simplify right side
    330,108x = 81,637,654,924.80
  5. Step 5: Solve for x
    x = 81,637,654,924.80/330,108
  6. Step 6: Final answer
    x = 247,305.90

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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.