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Finding the Fourth Proportional to 222,180.96, 306,602.10 and 126,718.41

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Solution

The fourth proportional to 222,180.96, 306,602.10 and 126,718.41 is: 174,867.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,180.96 : 306,602.10 = 126,718.41 : x
  2. Step 2: Convert to fraction form
    222,180.96/306,602.10 = 126,718.41/x
  3. Step 3: Cross multiply
    222,180.96x = 306,602.10 × 126,718.41
  4. Step 4: Simplify right side
    222,180.96x = 38,852,130,614.66
  5. Step 5: Solve for x
    x = 38,852,130,614.66/222,180.96
  6. Step 6: Final answer
    x = 174,867.06

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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.