Finding the Fourth Proportional to 295,702.75, 408,070.16 and 161,566.75
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Solution
The fourth proportional to 295,702.75, 408,070.16 and 161,566.75 is: 222,962.31
Step by Step Solution
- Step 1: Write the proportion equation
295,702.75 : 408,070.16 = 161,566.75 : x - Step 2: Convert to fraction form
295,702.75/408,070.16 = 161,566.75/x - Step 3: Cross multiply
295,702.75x = 408,070.16 × 161,566.75 - Step 4: Simplify right side
295,702.75x = 65,930,569,523.18 - Step 5: Solve for x
x = 65,930,569,523.18/295,702.75 - Step 6: Final answer
x = 222,962.31
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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.