Home / 245,365.22-338,621.85-149,889.91

Finding the Fourth Proportional to 245,365.22, 338,621.85 and 149,889.91

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Solution

The fourth proportional to 245,365.22, 338,621.85 and 149,889.91 is: 206,858.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,365.22 : 338,621.85 = 149,889.91 : x
  2. Step 2: Convert to fraction form
    245,365.22/338,621.85 = 149,889.91/x
  3. Step 3: Cross multiply
    245,365.22x = 338,621.85 × 149,889.91
  4. Step 4: Simplify right side
    245,365.22x = 50,755,998,620.53
  5. Step 5: Solve for x
    x = 50,755,998,620.53/245,365.22
  6. Step 6: Final answer
    x = 206,858.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.