Finding the Fourth Proportional to 272,690.92, 376,211.68 and 272,269.92
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Solution
The fourth proportional to 272,690.92, 376,211.68 and 272,269.92 is: 375,630.86
Step by Step Solution
- Step 1: Write the proportion equation
272,690.92 : 376,211.68 = 272,269.92 : x - Step 2: Convert to fraction form
272,690.92/376,211.68 = 272,269.92/x - Step 3: Cross multiply
272,690.92x = 376,211.68 × 272,269.92 - Step 4: Simplify right side
272,690.92x = 102,431,124,016.67 - Step 5: Solve for x
x = 102,431,124,016.67/272,690.92 - Step 6: Final answer
x = 375,630.86
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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.