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Finding the Fourth Proportional to 371,562.56, 512,787.94 and 210,446.26

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Solution

The fourth proportional to 371,562.56, 512,787.94 and 210,446.26 is: 290,433.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,562.56 : 512,787.94 = 210,446.26 : x
  2. Step 2: Convert to fraction form
    371,562.56/512,787.94 = 210,446.26/x
  3. Step 3: Cross multiply
    371,562.56x = 512,787.94 × 210,446.26
  4. Step 4: Simplify right side
    371,562.56x = 107,914,304,146.10
  5. Step 5: Solve for x
    x = 107,914,304,146.10/371,562.56
  6. Step 6: Final answer
    x = 290,433.74

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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.