Home / 228,619.35-343,141.81-116,383.60

Finding the Fourth Proportional to 228,619.35, 343,141.81 and 116,383.60

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Solution

The fourth proportional to 228,619.35, 343,141.81 and 116,383.60 is: 174,683.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,619.35 : 343,141.81 = 116,383.60 : x
  2. Step 2: Convert to fraction form
    228,619.35/343,141.81 = 116,383.60/x
  3. Step 3: Cross multiply
    228,619.35x = 343,141.81 × 116,383.60
  4. Step 4: Simplify right side
    228,619.35x = 39,936,078,053.24
  5. Step 5: Solve for x
    x = 39,936,078,053.24/228,619.35
  6. Step 6: Final answer
    x = 174,683.71

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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.