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Finding the Fourth Proportional to 334,599.92, 501,900.20 and 275,310.96

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Solution

The fourth proportional to 334,599.92, 501,900.20 and 275,310.96 is: 412,966.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,599.92 : 501,900.20 = 275,310.96 : x
  2. Step 2: Convert to fraction form
    334,599.92/501,900.20 = 275,310.96/x
  3. Step 3: Cross multiply
    334,599.92x = 501,900.20 × 275,310.96
  4. Step 4: Simplify right side
    334,599.92x = 138,178,625,886.19
  5. Step 5: Solve for x
    x = 138,178,625,886.19/334,599.92
  6. Step 6: Final answer
    x = 412,966.70

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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.