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Finding the Fourth Proportional to 371,694.73, 512,949.25 and 210,549.74

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Solution

The fourth proportional to 371,694.73, 512,949.25 and 210,549.74 is: 290,564.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,694.73 : 512,949.25 = 210,549.74 : x
  2. Step 2: Convert to fraction form
    371,694.73/512,949.25 = 210,549.74/x
  3. Step 3: Cross multiply
    371,694.73x = 512,949.25 × 210,549.74
  4. Step 4: Simplify right side
    371,694.73x = 108,001,327,603.20
  5. Step 5: Solve for x
    x = 108,001,327,603.20/371,694.73
  6. Step 6: Final answer
    x = 290,564.59

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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.