Finding the Fourth Proportional to 272,933.26, 376,648.68 and 158,234.20
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Solution
The fourth proportional to 272,933.26, 376,648.68 and 158,234.20 is: 218,363.65
Step by Step Solution
- Step 1: Write the proportion equation
272,933.26 : 376,648.68 = 158,234.20 : x - Step 2: Convert to fraction form
272,933.26/376,648.68 = 158,234.20/x - Step 3: Cross multiply
272,933.26x = 376,648.68 × 158,234.20 - Step 4: Simplify right side
272,933.26x = 59,598,702,560.86 - Step 5: Solve for x
x = 59,598,702,560.86/272,933.26 - Step 6: Final answer
x = 218,363.65
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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.