Finding the Fourth Proportional to 114,729.97, 172,046.29 and 54,688.99
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Solution
The fourth proportional to 114,729.97, 172,046.29 and 54,688.99 is: 82,010.28
Step by Step Solution
- Step 1: Write the proportion equation
114,729.97 : 172,046.29 = 54,688.99 : x - Step 2: Convert to fraction form
114,729.97/172,046.29 = 54,688.99/x - Step 3: Cross multiply
114,729.97x = 172,046.29 × 54,688.99 - Step 4: Simplify right side
114,729.97x = 9,409,036,699.67 - Step 5: Solve for x
x = 9,409,036,699.67/114,729.97 - Step 6: Final answer
x = 82,010.28
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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.