Finding the Fourth Proportional to 160,744.24, 221,825.96 and 89,124.28
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Solution
The fourth proportional to 160,744.24, 221,825.96 and 89,124.28 is: 122,990.90
Step by Step Solution
- Step 1: Write the proportion equation
160,744.24 : 221,825.96 = 89,124.28 : x - Step 2: Convert to fraction form
160,744.24/221,825.96 = 89,124.28/x - Step 3: Cross multiply
160,744.24x = 221,825.96 × 89,124.28 - Step 4: Simplify right side
160,744.24x = 19,770,078,970.31 - Step 5: Solve for x
x = 19,770,078,970.31/160,744.24 - Step 6: Final answer
x = 122,990.90
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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.