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Finding the Fourth Proportional to 228,904.26, 343,508.74 and 94,078.90

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Solution

The fourth proportional to 228,904.26, 343,508.74 and 94,078.90 is: 141,180.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,904.26 : 343,508.74 = 94,078.90 : x
  2. Step 2: Convert to fraction form
    228,904.26/343,508.74 = 94,078.90/x
  3. Step 3: Cross multiply
    228,904.26x = 343,508.74 × 94,078.90
  4. Step 4: Simplify right side
    228,904.26x = 32,316,924,399.59
  5. Step 5: Solve for x
    x = 32,316,924,399.59/228,904.26
  6. Step 6: Final answer
    x = 141,180.97

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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.