Finding the Fourth Proportional to 242,192.73, 363,286.08 and 84,420.66
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Solution
The fourth proportional to 242,192.73, 363,286.08 and 84,420.66 is: 126,629.94
Step by Step Solution
- Step 1: Write the proportion equation
242,192.73 : 363,286.08 = 84,420.66 : x - Step 2: Convert to fraction form
242,192.73/363,286.08 = 84,420.66/x - Step 3: Cross multiply
242,192.73x = 363,286.08 × 84,420.66 - Step 4: Simplify right side
242,192.73x = 30,668,850,642.41 - Step 5: Solve for x
x = 30,668,850,642.41/242,192.73 - Step 6: Final answer
x = 126,629.94
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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.