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Finding the Fourth Proportional to 519,327.90, 779,340.96 and 182,371.14

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Solution

The fourth proportional to 519,327.90, 779,340.96 and 182,371.14 is: 273,679.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,327.90 : 779,340.96 = 182,371.14 : x
  2. Step 2: Convert to fraction form
    519,327.90/779,340.96 = 182,371.14/x
  3. Step 3: Cross multiply
    519,327.90x = 779,340.96 × 182,371.14
  4. Step 4: Simplify right side
    519,327.90x = 142,129,299,323.89
  5. Step 5: Solve for x
    x = 142,129,299,323.89/519,327.90
  6. Step 6: Final answer
    x = 273,679.31

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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.