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Finding the Fourth Proportional to 341,674.52, 509,003.96 and 326,321.96

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Solution

The fourth proportional to 341,674.52, 509,003.96 and 326,321.96 is: 486,132.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,674.52 : 509,003.96 = 326,321.96 : x
  2. Step 2: Convert to fraction form
    341,674.52/509,003.96 = 326,321.96/x
  3. Step 3: Cross multiply
    341,674.52x = 509,003.96 × 326,321.96
  4. Step 4: Simplify right side
    341,674.52x = 166,099,169,874.96
  5. Step 5: Solve for x
    x = 166,099,169,874.96/341,674.52
  6. Step 6: Final answer
    x = 486,132.74

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.