Finding the Fourth Proportional to 108,556.49, 149,816.25 and 68,304.75
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Solution
The fourth proportional to 108,556.49, 149,816.25 and 68,304.75 is: 94,265.78
Step by Step Solution
- Step 1: Write the proportion equation
108,556.49 : 149,816.25 = 68,304.75 : x - Step 2: Convert to fraction form
108,556.49/149,816.25 = 68,304.75/x - Step 3: Cross multiply
108,556.49x = 149,816.25 × 68,304.75 - Step 4: Simplify right side
108,556.49x = 10,233,161,502.19 - Step 5: Solve for x
x = 10,233,161,502.19/108,556.49 - Step 6: Final answer
x = 94,265.78
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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.