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Finding the Fourth Proportional to 228,101.92, 314,771.28 and 126,120.88

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Solution

The fourth proportional to 228,101.92, 314,771.28 and 126,120.88 is: 174,041.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,101.92 : 314,771.28 = 126,120.88 : x
  2. Step 2: Convert to fraction form
    228,101.92/314,771.28 = 126,120.88/x
  3. Step 3: Cross multiply
    228,101.92x = 314,771.28 × 126,120.88
  4. Step 4: Simplify right side
    228,101.92x = 39,699,230,832.33
  5. Step 5: Solve for x
    x = 39,699,230,832.33/228,101.92
  6. Step 6: Final answer
    x = 174,041.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.