Finding the Fourth Proportional to 203,633.13, 305,326.94 and 91,293.03
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Solution
The fourth proportional to 203,633.13, 305,326.94 and 91,293.03 is: 136,884.51
Step by Step Solution
- Step 1: Write the proportion equation
203,633.13 : 305,326.94 = 91,293.03 : x - Step 2: Convert to fraction form
203,633.13/305,326.94 = 91,293.03/x - Step 3: Cross multiply
203,633.13x = 305,326.94 × 91,293.03 - Step 4: Simplify right side
203,633.13x = 27,874,221,036.76 - Step 5: Solve for x
x = 27,874,221,036.76/203,633.13 - Step 6: Final answer
x = 136,884.51
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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.