Finding the Fourth Proportional to 160,883.01, 221,963.56 and 91,922.99
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Solution
The fourth proportional to 160,883.01, 221,963.56 and 91,922.99 is: 126,822.30
Step by Step Solution
- Step 1: Write the proportion equation
160,883.01 : 221,963.56 = 91,922.99 : x - Step 2: Convert to fraction form
160,883.01/221,963.56 = 91,922.99/x - Step 3: Cross multiply
160,883.01x = 221,963.56 × 91,922.99 - Step 4: Simplify right side
160,883.01x = 20,403,552,766.62 - Step 5: Solve for x
x = 20,403,552,766.62/160,883.01 - Step 6: Final answer
x = 126,822.30
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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.