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Finding the Fourth Proportional to 299,111.22, 448,751.52 and 121,745.52

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Solution

The fourth proportional to 299,111.22, 448,751.52 and 121,745.52 is: 182,652.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,111.22 : 448,751.52 = 121,745.52 : x
  2. Step 2: Convert to fraction form
    299,111.22/448,751.52 = 121,745.52/x
  3. Step 3: Cross multiply
    299,111.22x = 448,751.52 × 121,745.52
  4. Step 4: Simplify right side
    299,111.22x = 54,633,487,153.19
  5. Step 5: Solve for x
    x = 54,633,487,153.19/299,111.22
  6. Step 6: Final answer
    x = 182,652.75

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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.