Finding the Fourth Proportional to 242,151.52, 363,261.12 and 84,356.80
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Solution
The fourth proportional to 242,151.52, 363,261.12 and 84,356.80 is: 126,546.99
Step by Step Solution
- Step 1: Write the proportion equation
242,151.52 : 363,261.12 = 84,356.80 : x - Step 2: Convert to fraction form
242,151.52/363,261.12 = 84,356.80/x - Step 3: Cross multiply
242,151.52x = 363,261.12 × 84,356.80 - Step 4: Simplify right side
242,151.52x = 30,643,545,647.62 - Step 5: Solve for x
x = 30,643,545,647.62/242,151.52 - Step 6: Final answer
x = 126,546.99
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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.