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Finding the Fourth Proportional to 538,299.22, 807,448.83 and 159,190.41

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Solution

The fourth proportional to 538,299.22, 807,448.83 and 159,190.41 is: 238,785.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,299.22 : 807,448.83 = 159,190.41 : x
  2. Step 2: Convert to fraction form
    538,299.22/807,448.83 = 159,190.41/x
  3. Step 3: Cross multiply
    538,299.22x = 807,448.83 × 159,190.41
  4. Step 4: Simplify right side
    538,299.22x = 128,538,113,180.41
  5. Step 5: Solve for x
    x = 128,538,113,180.41/538,299.22
  6. Step 6: Final answer
    x = 238,785.62

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Similar ratio
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1.5x scale

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.