Finding the Fourth Proportional to 220,260.88, 330,442.26 and 78,098.62
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Solution
The fourth proportional to 220,260.88, 330,442.26 and 78,098.62 is: 117,165.99
Step by Step Solution
- Step 1: Write the proportion equation
220,260.88 : 330,442.26 = 78,098.62 : x - Step 2: Convert to fraction form
220,260.88/330,442.26 = 78,098.62/x - Step 3: Cross multiply
220,260.88x = 330,442.26 × 78,098.62 - Step 4: Simplify right side
220,260.88x = 25,807,084,495.68 - Step 5: Solve for x
x = 25,807,084,495.68/220,260.88 - Step 6: Final answer
x = 117,165.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.