Finding the Fourth Proportional to 272,445.30, 375,976.43 and 151,591.68
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Solution
The fourth proportional to 272,445.30, 375,976.43 and 151,591.68 is: 209,197.58
Step by Step Solution
- Step 1: Write the proportion equation
272,445.30 : 375,976.43 = 151,591.68 : x - Step 2: Convert to fraction form
272,445.30/375,976.43 = 151,591.68/x - Step 3: Cross multiply
272,445.30x = 375,976.43 × 151,591.68 - Step 4: Simplify right side
272,445.30x = 56,994,897,906.14 - Step 5: Solve for x
x = 56,994,897,906.14/272,445.30 - Step 6: Final answer
x = 209,197.58
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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.