Home / 228,148.58-314,749.91-131,329.27

Finding the Fourth Proportional to 228,148.58, 314,749.91 and 131,329.27

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Solution

The fourth proportional to 228,148.58, 314,749.91 and 131,329.27 is: 181,179.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,148.58 : 314,749.91 = 131,329.27 : x
  2. Step 2: Convert to fraction form
    228,148.58/314,749.91 = 131,329.27/x
  3. Step 3: Cross multiply
    228,148.58x = 314,749.91 × 131,329.27
  4. Step 4: Simplify right side
    228,148.58x = 41,335,875,912.87
  5. Step 5: Solve for x
    x = 41,335,875,912.87/228,148.58
  6. Step 6: Final answer
    x = 181,179.63

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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.