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Finding the Fourth Proportional to 339,017.15, 467,812.71 and 201,172.32

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Solution

The fourth proportional to 339,017.15, 467,812.71 and 201,172.32 is: 277,599.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,017.15 : 467,812.71 = 201,172.32 : x
  2. Step 2: Convert to fraction form
    339,017.15/467,812.71 = 201,172.32/x
  3. Step 3: Cross multiply
    339,017.15x = 467,812.71 × 201,172.32
  4. Step 4: Simplify right side
    339,017.15x = 94,110,966,360.05
  5. Step 5: Solve for x
    x = 94,110,966,360.05/339,017.15
  6. Step 6: Final answer
    x = 277,599.43

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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.