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Finding the Fourth Proportional to 339,152.63, 468,032.45 and 211,902.03

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Solution

The fourth proportional to 339,152.63, 468,032.45 and 211,902.03 is: 292,425.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,152.63 : 468,032.45 = 211,902.03 : x
  2. Step 2: Convert to fraction form
    339,152.63/468,032.45 = 211,902.03/x
  3. Step 3: Cross multiply
    339,152.63x = 468,032.45 × 211,902.03
  4. Step 4: Simplify right side
    339,152.63x = 99,177,025,201.36
  5. Step 5: Solve for x
    x = 99,177,025,201.36/339,152.63
  6. Step 6: Final answer
    x = 292,425.94

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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.