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Finding the Fourth Proportional to 207,903.88, 286,906.96 and 117,259.57

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Solution

The fourth proportional to 207,903.88, 286,906.96 and 117,259.57 is: 161,817.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,903.88 : 286,906.96 = 117,259.57 : x
  2. Step 2: Convert to fraction form
    207,903.88/286,906.96 = 117,259.57/x
  3. Step 3: Cross multiply
    207,903.88x = 286,906.96 × 117,259.57
  4. Step 4: Simplify right side
    207,903.88x = 33,642,586,759.61
  5. Step 5: Solve for x
    x = 33,642,586,759.61/207,903.88
  6. Step 6: Final answer
    x = 161,817.98

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