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Finding the Fourth Proportional to 366,149, 505,293.30 and 207,173

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Solution

The fourth proportional to 366,149, 505,293.30 and 207,173 is: 285,903.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,149 : 505,293.30 = 207,173 : x
  2. Step 2: Convert to fraction form
    366,149/505,293.30 = 207,173/x
  3. Step 3: Cross multiply
    366,149x = 505,293.30 × 207,173
  4. Step 4: Simplify right side
    366,149x = 104,683,128,840.90
  5. Step 5: Solve for x
    x = 104,683,128,840.90/366,149
  6. Step 6: Final answer
    x = 285,903.09

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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.