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Finding the Fourth Proportional to 426,493.89, 639,741.66 and 110,950.29

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Solution

The fourth proportional to 426,493.89, 639,741.66 and 110,950.29 is: 166,425.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,493.89 : 639,741.66 = 110,950.29 : x
  2. Step 2: Convert to fraction form
    426,493.89/639,741.66 = 110,950.29/x
  3. Step 3: Cross multiply
    426,493.89x = 639,741.66 × 110,950.29
  4. Step 4: Simplify right side
    426,493.89x = 70,979,522,702.08
  5. Step 5: Solve for x
    x = 70,979,522,702.08/426,493.89
  6. Step 6: Final answer
    x = 166,425.65

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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.