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Finding the Fourth Proportional to 329,954.28, 455,338.08 and 179,051.28

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Solution

The fourth proportional to 329,954.28, 455,338.08 and 179,051.28 is: 247,091.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,954.28 : 455,338.08 = 179,051.28 : x
  2. Step 2: Convert to fraction form
    329,954.28/455,338.08 = 179,051.28/x
  3. Step 3: Cross multiply
    329,954.28x = 455,338.08 × 179,051.28
  4. Step 4: Simplify right side
    329,954.28x = 81,528,866,056.74
  5. Step 5: Solve for x
    x = 81,528,866,056.74/329,954.28
  6. Step 6: Final answer
    x = 247,091.40

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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.