Finding the Fourth Proportional to 176,081.99, 242,997.30 and 107,147.75
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Solution
The fourth proportional to 176,081.99, 242,997.30 and 107,147.75 is: 147,866.42
Step by Step Solution
- Step 1: Write the proportion equation
176,081.99 : 242,997.30 = 107,147.75 : x - Step 2: Convert to fraction form
176,081.99/242,997.30 = 107,147.75/x - Step 3: Cross multiply
176,081.99x = 242,997.30 × 107,147.75 - Step 4: Simplify right side
176,081.99x = 26,036,612,736.09 - Step 5: Solve for x
x = 26,036,612,736.09/176,081.99 - Step 6: Final answer
x = 147,866.42
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.