Finding the Fourth Proportional to 163,517.69, 225,634.11 and 94,618.99
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Solution
The fourth proportional to 163,517.69, 225,634.11 and 94,618.99 is: 130,562.45
Step by Step Solution
- Step 1: Write the proportion equation
163,517.69 : 225,634.11 = 94,618.99 : x - Step 2: Convert to fraction form
163,517.69/225,634.11 = 94,618.99/x - Step 3: Cross multiply
163,517.69x = 225,634.11 × 94,618.99 - Step 4: Simplify right side
163,517.69x = 21,349,270,255.78 - Step 5: Solve for x
x = 21,349,270,255.78/163,517.69 - Step 6: Final answer
x = 130,562.45
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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.