Home / 301,186.07-415,642.32-165,226.96

Finding the Fourth Proportional to 301,186.07, 415,642.32 and 165,226.96

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Solution

The fourth proportional to 301,186.07, 415,642.32 and 165,226.96 is: 228,016.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,186.07 : 415,642.32 = 165,226.96 : x
  2. Step 2: Convert to fraction form
    301,186.07/415,642.32 = 165,226.96/x
  3. Step 3: Cross multiply
    301,186.07x = 415,642.32 × 165,226.96
  4. Step 4: Simplify right side
    301,186.07x = 68,675,314,076.60
  5. Step 5: Solve for x
    x = 68,675,314,076.60/301,186.07
  6. Step 6: Final answer
    x = 228,016.24

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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.