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Finding the Fourth Proportional to 329,954.50, 455,337.62 and 179,051.50

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Solution

The fourth proportional to 329,954.50, 455,337.62 and 179,051.50 is: 247,091.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,954.50 : 455,337.62 = 179,051.50 : x
  2. Step 2: Convert to fraction form
    329,954.50/455,337.62 = 179,051.50/x
  3. Step 3: Cross multiply
    329,954.50x = 455,337.62 × 179,051.50
  4. Step 4: Simplify right side
    329,954.50x = 81,528,883,867.43
  5. Step 5: Solve for x
    x = 81,528,883,867.43/329,954.50
  6. Step 6: Final answer
    x = 247,091.29

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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.