Home / 228,916.20-343,341.90-71,160.60

Finding the Fourth Proportional to 228,916.20, 343,341.90 and 71,160.60

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Solution

The fourth proportional to 228,916.20, 343,341.90 and 71,160.60 is: 106,730.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,916.20 : 343,341.90 = 71,160.60 : x
  2. Step 2: Convert to fraction form
    228,916.20/343,341.90 = 71,160.60/x
  3. Step 3: Cross multiply
    228,916.20x = 343,341.90 × 71,160.60
  4. Step 4: Simplify right side
    228,916.20x = 24,432,415,609.14
  5. Step 5: Solve for x
    x = 24,432,415,609.14/228,916.20
  6. Step 6: Final answer
    x = 106,730.83

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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.