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Finding the Fourth Proportional to 344,877.39, 517,165.27 and 173,993.96

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Solution

The fourth proportional to 344,877.39, 517,165.27 and 173,993.96 is: 260,914.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,877.39 : 517,165.27 = 173,993.96 : x
  2. Step 2: Convert to fraction form
    344,877.39/517,165.27 = 173,993.96/x
  3. Step 3: Cross multiply
    344,877.39x = 517,165.27 × 173,993.96
  4. Step 4: Simplify right side
    344,877.39x = 89,983,634,159.70
  5. Step 5: Solve for x
    x = 89,983,634,159.70/344,877.39
  6. Step 6: Final answer
    x = 260,914.85

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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.