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Finding the Fourth Proportional to 324,745.88, 448,141.55 and 181,519.25

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Solution

The fourth proportional to 324,745.88, 448,141.55 and 181,519.25 is: 250,492.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,745.88 : 448,141.55 = 181,519.25 : x
  2. Step 2: Convert to fraction form
    324,745.88/448,141.55 = 181,519.25/x
  3. Step 3: Cross multiply
    324,745.88x = 448,141.55 × 181,519.25
  4. Step 4: Simplify right side
    324,745.88x = 81,346,314,901.53
  5. Step 5: Solve for x
    x = 81,346,314,901.53/324,745.88
  6. Step 6: Final answer
    x = 250,492.22

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1.5x scale

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.