Home / 251,229.15-376,855.11-71,327.34

Finding the Fourth Proportional to 251,229.15, 376,855.11 and 71,327.34

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Solution

The fourth proportional to 251,229.15, 376,855.11 and 71,327.34 is: 106,994.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,229.15 : 376,855.11 = 71,327.34 : x
  2. Step 2: Convert to fraction form
    251,229.15/376,855.11 = 71,327.34/x
  3. Step 3: Cross multiply
    251,229.15x = 376,855.11 × 71,327.34
  4. Step 4: Simplify right side
    251,229.15x = 26,880,072,561.71
  5. Step 5: Solve for x
    x = 26,880,072,561.71/251,229.15
  6. Step 6: Final answer
    x = 106,994.24

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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.