Finding the Fourth Proportional to 163,365.12, 225,442.61 and 94,453.09
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Solution
The fourth proportional to 163,365.12, 225,442.61 and 94,453.09 is: 130,344.53
Step by Step Solution
- Step 1: Write the proportion equation
163,365.12 : 225,442.61 = 94,453.09 : x - Step 2: Convert to fraction form
163,365.12/225,442.61 = 94,453.09/x - Step 3: Cross multiply
163,365.12x = 225,442.61 × 94,453.09 - Step 4: Simplify right side
163,365.12x = 21,293,750,450.49 - Step 5: Solve for x
x = 21,293,750,450.49/163,365.12 - Step 6: Final answer
x = 130,344.53
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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.