Finding the Fourth Proportional to 163,282.68, 225,329.21 and 91,662.68
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Solution
The fourth proportional to 163,282.68, 225,329.21 and 91,662.68 is: 126,494.00
Step by Step Solution
- Step 1: Write the proportion equation
163,282.68 : 225,329.21 = 91,662.68 : x - Step 2: Convert to fraction form
163,282.68/225,329.21 = 91,662.68/x - Step 3: Cross multiply
163,282.68x = 225,329.21 × 91,662.68 - Step 4: Simplify right side
163,282.68x = 20,654,279,375.89 - Step 5: Solve for x
x = 20,654,279,375.89/163,282.68 - Step 6: Final answer
x = 126,494.00
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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.