Home / 368,181.92-552,388.80-131,519.36

Finding the Fourth Proportional to 368,181.92, 552,388.80 and 131,519.36

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Solution

The fourth proportional to 368,181.92, 552,388.80 and 131,519.36 is: 197,320.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,181.92 : 552,388.80 = 131,519.36 : x
  2. Step 2: Convert to fraction form
    368,181.92/552,388.80 = 131,519.36/x
  3. Step 3: Cross multiply
    368,181.92x = 552,388.80 × 131,519.36
  4. Step 4: Simplify right side
    368,181.92x = 72,649,821,447.17
  5. Step 5: Solve for x
    x = 72,649,821,447.17/368,181.92
  6. Step 6: Final answer
    x = 197,320.45

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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.