Finding the Fourth Proportional to 416,468.26, 624,243.89 and 272,314.63
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Solution
The fourth proportional to 416,468.26, 624,243.89 and 272,314.63 is: 408,172.15
Step by Step Solution
- Step 1: Write the proportion equation
416,468.26 : 624,243.89 = 272,314.63 : x - Step 2: Convert to fraction form
416,468.26/624,243.89 = 272,314.63/x - Step 3: Cross multiply
416,468.26x = 624,243.89 × 272,314.63 - Step 4: Simplify right side
416,468.26x = 169,990,743,935.11 - Step 5: Solve for x
x = 169,990,743,935.11/416,468.26 - Step 6: Final answer
x = 408,172.15
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.