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Finding the Fourth Proportional to 344,863.80, 517,311.90 and 108,214.20

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Solution

The fourth proportional to 344,863.80, 517,311.90 and 108,214.20 is: 162,326.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,863.80 : 517,311.90 = 108,214.20 : x
  2. Step 2: Convert to fraction form
    344,863.80/517,311.90 = 108,214.20/x
  3. Step 3: Cross multiply
    344,863.80x = 517,311.90 × 108,214.20
  4. Step 4: Simplify right side
    344,863.80x = 55,980,493,408.98
  5. Step 5: Solve for x
    x = 55,980,493,408.98/344,863.80
  6. Step 6: Final answer
    x = 162,326.38

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1.5x scale

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.