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Finding the Fourth Proportional to 371,832, 513,046.08 and 210,672.96

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Solution

The fourth proportional to 371,832, 513,046.08 and 210,672.96 is: 290,682.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,832 : 513,046.08 = 210,672.96 : x
  2. Step 2: Convert to fraction form
    371,832/513,046.08 = 210,672.96/x
  3. Step 3: Cross multiply
    371,832x = 513,046.08 × 210,672.96
  4. Step 4: Simplify right side
    371,832x = 108,084,936,290.00
  5. Step 5: Solve for x
    x = 108,084,936,290.00/371,832
  6. Step 6: Final answer
    x = 290,682.18

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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.