Home / 225,268.09-310,867.27-123,292.53

Finding the Fourth Proportional to 225,268.09, 310,867.27 and 123,292.53

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Solution

The fourth proportional to 225,268.09, 310,867.27 and 123,292.53 is: 170,142.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,268.09 : 310,867.27 = 123,292.53 : x
  2. Step 2: Convert to fraction form
    225,268.09/310,867.27 = 123,292.53/x
  3. Step 3: Cross multiply
    225,268.09x = 310,867.27 × 123,292.53
  4. Step 4: Simplify right side
    225,268.09x = 38,327,611,904.26
  5. Step 5: Solve for x
    x = 38,327,611,904.26/225,268.09
  6. Step 6: Final answer
    x = 170,142.22

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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.