Finding the Fourth Proportional to 352,974.24, 528,942.96 and 278,277.12
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Solution
The fourth proportional to 352,974.24, 528,942.96 and 278,277.12 is: 417,006.98
Step by Step Solution
- Step 1: Write the proportion equation
352,974.24 : 528,942.96 = 278,277.12 : x - Step 2: Convert to fraction form
352,974.24/528,942.96 = 278,277.12/x - Step 3: Cross multiply
352,974.24x = 528,942.96 × 278,277.12 - Step 4: Simplify right side
352,974.24x = 147,192,723,553.08 - Step 5: Solve for x
x = 147,192,723,553.08/352,974.24 - Step 6: Final answer
x = 417,006.98
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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.