Finding the Fourth Proportional to 163,332.09, 225,398.43 and 91,716.75
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Solution
The fourth proportional to 163,332.09, 225,398.43 and 91,716.75 is: 126,569.20
Step by Step Solution
- Step 1: Write the proportion equation
163,332.09 : 225,398.43 = 91,716.75 : x - Step 2: Convert to fraction form
163,332.09/225,398.43 = 91,716.75/x - Step 3: Cross multiply
163,332.09x = 225,398.43 × 91,716.75 - Step 4: Simplify right side
163,332.09x = 20,672,811,454.70 - Step 5: Solve for x
x = 20,672,811,454.70/163,332.09 - Step 6: Final answer
x = 126,569.20
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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.