Finding the Fourth Proportional to 389,553.87, 537,598.32 and 226,198.14
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Solution
The fourth proportional to 389,553.87, 537,598.32 and 226,198.14 is: 312,161.55
Step by Step Solution
- Step 1: Write the proportion equation
389,553.87 : 537,598.32 = 226,198.14 : x - Step 2: Convert to fraction form
389,553.87/537,598.32 = 226,198.14/x - Step 3: Cross multiply
389,553.87x = 537,598.32 × 226,198.14 - Step 4: Simplify right side
389,553.87x = 121,603,740,051.13 - Step 5: Solve for x
x = 121,603,740,051.13/389,553.87 - Step 6: Final answer
x = 312,161.55
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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.