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Finding the Fourth Proportional to 334,689.21, 501,969.33 and 94,801.32

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Solution

The fourth proportional to 334,689.21, 501,969.33 and 94,801.32 is: 142,183.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,689.21 : 501,969.33 = 94,801.32 : x
  2. Step 2: Convert to fraction form
    334,689.21/501,969.33 = 94,801.32/x
  3. Step 3: Cross multiply
    334,689.21x = 501,969.33 × 94,801.32
  4. Step 4: Simplify right side
    334,689.21x = 47,587,355,083.52
  5. Step 5: Solve for x
    x = 47,587,355,083.52/334,689.21
  6. Step 6: Final answer
    x = 142,183.71

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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.