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Finding the Fourth Proportional to 225,350.66, 310,983.98 and 123,382.59

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Solution

The fourth proportional to 225,350.66, 310,983.98 and 123,382.59 is: 170,268.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,350.66 : 310,983.98 = 123,382.59 : x
  2. Step 2: Convert to fraction form
    225,350.66/310,983.98 = 123,382.59/x
  3. Step 3: Cross multiply
    225,350.66x = 310,983.98 × 123,382.59
  4. Step 4: Simplify right side
    225,350.66x = 38,370,008,284.00
  5. Step 5: Solve for x
    x = 38,370,008,284.00/225,350.66
  6. Step 6: Final answer
    x = 170,268.01

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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.