Finding the Fourth Proportional to 295,957.62, 408,423.09 and 161,821.62
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Solution
The fourth proportional to 295,957.62, 408,423.09 and 161,821.62 is: 223,314.70
Step by Step Solution
- Step 1: Write the proportion equation
295,957.62 : 408,423.09 = 161,821.62 : x - Step 2: Convert to fraction form
295,957.62/408,423.09 = 161,821.62/x - Step 3: Cross multiply
295,957.62x = 408,423.09 × 161,821.62 - Step 4: Simplify right side
295,957.62x = 66,091,686,069.21 - Step 5: Solve for x
x = 66,091,686,069.21/295,957.62 - Step 6: Final answer
x = 223,314.70
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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.