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Finding the Fourth Proportional to 222,029.06, 306,407.86 and 126,520.34

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Solution

The fourth proportional to 222,029.06, 306,407.86 and 126,520.34 is: 174,602.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,029.06 : 306,407.86 = 126,520.34 : x
  2. Step 2: Convert to fraction form
    222,029.06/306,407.86 = 126,520.34/x
  3. Step 3: Cross multiply
    222,029.06x = 306,407.86 × 126,520.34
  4. Step 4: Simplify right side
    222,029.06x = 38,766,826,625.87
  5. Step 5: Solve for x
    x = 38,766,826,625.87/222,029.06
  6. Step 6: Final answer
    x = 174,602.49

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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.