Home / 250,338.08-375,530.22-81,859.28

Finding the Fourth Proportional to 250,338.08, 375,530.22 and 81,859.28

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Solution

The fourth proportional to 250,338.08, 375,530.22 and 81,859.28 is: 122,796.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,338.08 : 375,530.22 = 81,859.28 : x
  2. Step 2: Convert to fraction form
    250,338.08/375,530.22 = 81,859.28/x
  3. Step 3: Cross multiply
    250,338.08x = 375,530.22 × 81,859.28
  4. Step 4: Simplify right side
    250,338.08x = 30,740,633,427.44
  5. Step 5: Solve for x
    x = 30,740,633,427.44/250,338.08
  6. Step 6: Final answer
    x = 122,796.47

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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.