Home / 448,629.44-672,840.42-133,010.24

Finding the Fourth Proportional to 448,629.44, 672,840.42 and 133,010.24

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Solution

The fourth proportional to 448,629.44, 672,840.42 and 133,010.24 is: 199,484.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,629.44 : 672,840.42 = 133,010.24 : x
  2. Step 2: Convert to fraction form
    448,629.44/672,840.42 = 133,010.24/x
  3. Step 3: Cross multiply
    448,629.44x = 672,840.42 × 133,010.24
  4. Step 4: Simplify right side
    448,629.44x = 89,494,665,745.90
  5. Step 5: Solve for x
    x = 89,494,665,745.90/448,629.44
  6. Step 6: Final answer
    x = 199,484.60

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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.