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Finding the Fourth Proportional to 334,132.43, 501,184.87 and 120,905.39

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Solution

The fourth proportional to 334,132.43, 501,184.87 and 120,905.39 is: 181,353.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,132.43 : 501,184.87 = 120,905.39 : x
  2. Step 2: Convert to fraction form
    334,132.43/501,184.87 = 120,905.39/x
  3. Step 3: Cross multiply
    334,132.43x = 501,184.87 × 120,905.39
  4. Step 4: Simplify right side
    334,132.43x = 60,595,953,120.15
  5. Step 5: Solve for x
    x = 60,595,953,120.15/334,132.43
  6. Step 6: Final answer
    x = 181,353.11

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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.