Home / 228,736.20-343,493.10-169,638.60

Finding the Fourth Proportional to 228,736.20, 343,493.10 and 169,638.60

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Solution

The fourth proportional to 228,736.20, 343,493.10 and 169,638.60 is: 254,746.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,736.20 : 343,493.10 = 169,638.60 : x
  2. Step 2: Convert to fraction form
    228,736.20/343,493.10 = 169,638.60/x
  3. Step 3: Cross multiply
    228,736.20x = 343,493.10 × 169,638.60
  4. Step 4: Simplify right side
    228,736.20x = 58,269,688,593.66
  5. Step 5: Solve for x
    x = 58,269,688,593.66/228,736.20
  6. Step 6: Final answer
    x = 254,746.25

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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.