Finding the Fourth Proportional to 160,441.75, 221,409.62 and 93,373.75
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Solution
The fourth proportional to 160,441.75, 221,409.62 and 93,373.75 is: 128,855.78
Step by Step Solution
- Step 1: Write the proportion equation
160,441.75 : 221,409.62 = 93,373.75 : x - Step 2: Convert to fraction form
160,441.75/221,409.62 = 93,373.75/x - Step 3: Cross multiply
160,441.75x = 221,409.62 × 93,373.75 - Step 4: Simplify right side
160,441.75x = 20,673,846,505.48 - Step 5: Solve for x
x = 20,673,846,505.48/160,441.75 - Step 6: Final answer
x = 128,855.78
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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.