Finding the Fourth Proportional to 163,341.99, 225,396.54 and 91,708.02
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Solution
The fourth proportional to 163,341.99, 225,396.54 and 91,708.02 is: 126,548.42
Step by Step Solution
- Step 1: Write the proportion equation
163,341.99 : 225,396.54 = 91,708.02 : x - Step 2: Convert to fraction form
163,341.99/225,396.54 = 91,708.02/x - Step 3: Cross multiply
163,341.99x = 225,396.54 × 91,708.02 - Step 4: Simplify right side
163,341.99x = 20,670,670,398.25 - Step 5: Solve for x
x = 20,670,670,398.25/163,341.99 - Step 6: Final answer
x = 126,548.42
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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.