Finding the Fourth Proportional to 665,755.85, 998,641.08 and 192,445.31
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Solution
The fourth proportional to 665,755.85, 998,641.08 and 192,445.31 is: 288,670.08
Step by Step Solution
- Step 1: Write the proportion equation
665,755.85 : 998,641.08 = 192,445.31 : x - Step 2: Convert to fraction form
665,755.85/998,641.08 = 192,445.31/x - Step 3: Cross multiply
665,755.85x = 998,641.08 × 192,445.31 - Step 4: Simplify right side
665,755.85x = 192,183,794,715.94 - Step 5: Solve for x
x = 192,183,794,715.94/665,755.85 - Step 6: Final answer
x = 288,670.08
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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.