Finding the Fourth Proportional to 242,231.24, 363,406.91 and 115,967.43
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Solution
The fourth proportional to 242,231.24, 363,406.91 and 115,967.43 is: 173,979.89
Step by Step Solution
- Step 1: Write the proportion equation
242,231.24 : 363,406.91 = 115,967.43 : x - Step 2: Convert to fraction form
242,231.24/363,406.91 = 115,967.43/x - Step 3: Cross multiply
242,231.24x = 363,406.91 × 115,967.43 - Step 4: Simplify right side
242,231.24x = 42,143,364,817.10 - Step 5: Solve for x
x = 42,143,364,817.10/242,231.24 - Step 6: Final answer
x = 173,979.89
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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.