Finding the Fourth Proportional to 242,965.48, 363,981.66 and 142,914.28
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Solution
The fourth proportional to 242,965.48, 363,981.66 and 142,914.28 is: 214,096.99
Step by Step Solution
- Step 1: Write the proportion equation
242,965.48 : 363,981.66 = 142,914.28 : x - Step 2: Convert to fraction form
242,965.48/363,981.66 = 142,914.28/x - Step 3: Cross multiply
242,965.48x = 363,981.66 × 142,914.28 - Step 4: Simplify right side
242,965.48x = 52,018,176,872.10 - Step 5: Solve for x
x = 52,018,176,872.10/242,965.48 - Step 6: Final answer
x = 214,096.99
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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.