Home / 228,909.40-343,121.10-110,503.60

Finding the Fourth Proportional to 228,909.40, 343,121.10 and 110,503.60

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Solution

The fourth proportional to 228,909.40, 343,121.10 and 110,503.60 is: 165,638.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,909.40 : 343,121.10 = 110,503.60 : x
  2. Step 2: Convert to fraction form
    228,909.40/343,121.10 = 110,503.60/x
  3. Step 3: Cross multiply
    228,909.40x = 343,121.10 × 110,503.60
  4. Step 4: Simplify right side
    228,909.40x = 37,916,116,785.96
  5. Step 5: Solve for x
    x = 37,916,116,785.96/228,909.40
  6. Step 6: Final answer
    x = 165,638.09

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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.