Finding the Fourth Proportional to 356,343.87, 534,614.22 and 317,174.70
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Solution
The fourth proportional to 356,343.87, 534,614.22 and 317,174.70 is: 475,849.65
Step by Step Solution
- Step 1: Write the proportion equation
356,343.87 : 534,614.22 = 317,174.70 : x - Step 2: Convert to fraction form
356,343.87/534,614.22 = 317,174.70/x - Step 3: Cross multiply
356,343.87x = 534,614.22 × 317,174.70 - Step 4: Simplify right side
356,343.87x = 169,566,104,844.23 - Step 5: Solve for x
x = 169,566,104,844.23/356,343.87 - Step 6: Final answer
x = 475,849.65
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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.