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Finding the Fourth Proportional to 339,214.11, 508,866.66 and 179,367.36

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Solution

The fourth proportional to 339,214.11, 508,866.66 and 179,367.36 is: 269,075.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,214.11 : 508,866.66 = 179,367.36 : x
  2. Step 2: Convert to fraction form
    339,214.11/508,866.66 = 179,367.36/x
  3. Step 3: Cross multiply
    339,214.11x = 508,866.66 × 179,367.36
  4. Step 4: Simplify right side
    339,214.11x = 91,274,069,396.22
  5. Step 5: Solve for x
    x = 91,274,069,396.22/339,214.11
  6. Step 6: Final answer
    x = 269,075.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.