Home / 228,284.39-315,092.26-131,499.38

Finding the Fourth Proportional to 228,284.39, 315,092.26 and 131,499.38

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Solution

The fourth proportional to 228,284.39, 315,092.26 and 131,499.38 is: 181,503.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,284.39 : 315,092.26 = 131,499.38 : x
  2. Step 2: Convert to fraction form
    228,284.39/315,092.26 = 131,499.38/x
  3. Step 3: Cross multiply
    228,284.39x = 315,092.26 × 131,499.38
  4. Step 4: Simplify right side
    228,284.39x = 41,434,437,784.90
  5. Step 5: Solve for x
    x = 41,434,437,784.90/228,284.39
  6. Step 6: Final answer
    x = 181,503.59

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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.