Finding the Fourth Proportional to 331,518.42, 497,273.96 and 198,435.82
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Solution
The fourth proportional to 331,518.42, 497,273.96 and 198,435.82 is: 297,651.53
Step by Step Solution
- Step 1: Write the proportion equation
331,518.42 : 497,273.96 = 198,435.82 : x - Step 2: Convert to fraction form
331,518.42/497,273.96 = 198,435.82/x - Step 3: Cross multiply
331,518.42x = 497,273.96 × 198,435.82 - Step 4: Simplify right side
331,518.42x = 98,676,966,017.25 - Step 5: Solve for x
x = 98,676,966,017.25/331,518.42 - Step 6: Final answer
x = 297,651.53
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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.