Finding the Fourth Proportional to 331,518.67, 497,274.35 and 198,436.07
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Solution
The fourth proportional to 331,518.67, 497,274.35 and 198,436.07 is: 297,651.92
Step by Step Solution
- Step 1: Write the proportion equation
331,518.67 : 497,274.35 = 198,436.07 : x - Step 2: Convert to fraction form
331,518.67/497,274.35 = 198,436.07/x - Step 3: Cross multiply
331,518.67x = 497,274.35 × 198,436.07 - Step 4: Simplify right side
331,518.67x = 98,677,167,976.81 - Step 5: Solve for x
x = 98,677,167,976.81/331,518.67 - Step 6: Final answer
x = 297,651.92
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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.