Finding the Fourth Proportional to 272,629.99, 376,199.80 and 151,761.79
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Solution
The fourth proportional to 272,629.99, 376,199.80 and 151,761.79 is: 209,414.80
Step by Step Solution
- Step 1: Write the proportion equation
272,629.99 : 376,199.80 = 151,761.79 : x - Step 2: Convert to fraction form
272,629.99/376,199.80 = 151,761.79/x - Step 3: Cross multiply
272,629.99x = 376,199.80 × 151,761.79 - Step 4: Simplify right side
272,629.99x = 57,092,755,045.64 - Step 5: Solve for x
x = 57,092,755,045.64/272,629.99 - Step 6: Final answer
x = 209,414.80
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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.