Finding the Fourth Proportional to 112,625.75, 155,428.41 and 62,324.75
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Solution
The fourth proportional to 112,625.75, 155,428.41 and 62,324.75 is: 86,010.85
Step by Step Solution
- Step 1: Write the proportion equation
112,625.75 : 155,428.41 = 62,324.75 : x - Step 2: Convert to fraction form
112,625.75/155,428.41 = 62,324.75/x - Step 3: Cross multiply
112,625.75x = 155,428.41 × 62,324.75 - Step 4: Simplify right side
112,625.75x = 9,687,036,796.15 - Step 5: Solve for x
x = 9,687,036,796.15/112,625.75 - Step 6: Final answer
x = 86,010.85
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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.