Home / 293,716.45-439,891.53-285,635.22

Finding the Fourth Proportional to 293,716.45, 439,891.53 and 285,635.22

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Solution

The fourth proportional to 293,716.45, 439,891.53 and 285,635.22 is: 427,788.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,716.45 : 439,891.53 = 285,635.22 : x
  2. Step 2: Convert to fraction form
    293,716.45/439,891.53 = 285,635.22/x
  3. Step 3: Cross multiply
    293,716.45x = 439,891.53 × 285,635.22
  4. Step 4: Simplify right side
    293,716.45x = 125,648,511,226.96
  5. Step 5: Solve for x
    x = 125,648,511,226.96/293,716.45
  6. Step 6: Final answer
    x = 427,788.47

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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.