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Finding the Fourth Proportional to 334,379.30, 501,563.15 and 134,694.59

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Solution

The fourth proportional to 334,379.30, 501,563.15 and 134,694.59 is: 202,039.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,379.30 : 501,563.15 = 134,694.59 : x
  2. Step 2: Convert to fraction form
    334,379.30/501,563.15 = 134,694.59/x
  3. Step 3: Cross multiply
    334,379.30x = 501,563.15 × 134,694.59
  4. Step 4: Simplify right side
    334,379.30x = 67,557,839,667.07
  5. Step 5: Solve for x
    x = 67,557,839,667.07/334,379.30
  6. Step 6: Final answer
    x = 202,039.54

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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.