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Finding the Fourth Proportional to 225,221.53, 310,805.74 and 123,247.01

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Solution

The fourth proportional to 225,221.53, 310,805.74 and 123,247.01 is: 170,080.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,221.53 : 310,805.74 = 123,247.01 : x
  2. Step 2: Convert to fraction form
    225,221.53/310,805.74 = 123,247.01/x
  3. Step 3: Cross multiply
    225,221.53x = 310,805.74 × 123,247.01
  4. Step 4: Simplify right side
    225,221.53x = 38,305,878,145.84
  5. Step 5: Solve for x
    x = 38,305,878,145.84/225,221.53
  6. Step 6: Final answer
    x = 170,080.89

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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.