Finding the Fourth Proportional to 203,642.13, 305,340.44 and 91,302.03
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Solution
The fourth proportional to 203,642.13, 305,340.44 and 91,302.03 is: 136,898.01
Step by Step Solution
- Step 1: Write the proportion equation
203,642.13 : 305,340.44 = 91,302.03 : x - Step 2: Convert to fraction form
203,642.13/305,340.44 = 91,302.03/x - Step 3: Cross multiply
203,642.13x = 305,340.44 × 91,302.03 - Step 4: Simplify right side
203,642.13x = 27,878,201,556.58 - Step 5: Solve for x
x = 27,878,201,556.58/203,642.13 - Step 6: Final answer
x = 136,898.01
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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.