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Finding the Fourth Proportional to 339,751.31, 468,857.10 and 186,792.10

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Solution

The fourth proportional to 339,751.31, 468,857.10 and 186,792.10 is: 257,773.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,751.31 : 468,857.10 = 186,792.10 : x
  2. Step 2: Convert to fraction form
    339,751.31/468,857.10 = 186,792.10/x
  3. Step 3: Cross multiply
    339,751.31x = 468,857.10 × 186,792.10
  4. Step 4: Simplify right side
    339,751.31x = 87,578,802,308.91
  5. Step 5: Solve for x
    x = 87,578,802,308.91/339,751.31
  6. Step 6: Final answer
    x = 257,773.26

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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.