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Finding the Fourth Proportional to 371,040, 512,035.47 and 201,274.80

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Solution

The fourth proportional to 371,040, 512,035.47 and 201,274.80 is: 277,759.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,040 : 512,035.47 = 201,274.80 : x
  2. Step 2: Convert to fraction form
    371,040/512,035.47 = 201,274.80/x
  3. Step 3: Cross multiply
    371,040x = 512,035.47 × 201,274.80
  4. Step 4: Simplify right side
    371,040x = 103,059,836,817.16
  5. Step 5: Solve for x
    x = 103,059,836,817.16/371,040
  6. Step 6: Final answer
    x = 277,759.37

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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.