Finding the Fourth Proportional to 242,653.98, 363,981.84 and 74,173.62
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Solution
The fourth proportional to 242,653.98, 363,981.84 and 74,173.62 is: 111,260.70
Step by Step Solution
- Step 1: Write the proportion equation
242,653.98 : 363,981.84 = 74,173.62 : x - Step 2: Convert to fraction form
242,653.98/363,981.84 = 74,173.62/x - Step 3: Cross multiply
242,653.98x = 363,981.84 × 74,173.62 - Step 4: Simplify right side
242,653.98x = 26,997,850,687.06 - Step 5: Solve for x
x = 26,997,850,687.06/242,653.98 - Step 6: Final answer
x = 111,260.70
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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.