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Finding the Fourth Proportional to 366,886.63, 550,324.46 and 127,175.03

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Solution

The fourth proportional to 366,886.63, 550,324.46 and 127,175.03 is: 190,760.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,886.63 : 550,324.46 = 127,175.03 : x
  2. Step 2: Convert to fraction form
    366,886.63/550,324.46 = 127,175.03/x
  3. Step 3: Cross multiply
    366,886.63x = 550,324.46 × 127,175.03
  4. Step 4: Simplify right side
    366,886.63x = 69,987,529,340.27
  5. Step 5: Solve for x
    x = 69,987,529,340.27/366,886.63
  6. Step 6: Final answer
    x = 190,760.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.