Finding the Fourth Proportional to 482,696.42, 724,161.67 and 145,716.94
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Solution
The fourth proportional to 482,696.42, 724,161.67 and 145,716.94 is: 218,610.75
Step by Step Solution
- Step 1: Write the proportion equation
482,696.42 : 724,161.67 = 145,716.94 : x - Step 2: Convert to fraction form
482,696.42/724,161.67 = 145,716.94/x - Step 3: Cross multiply
482,696.42x = 724,161.67 × 145,716.94 - Step 4: Simplify right side
482,696.42x = 105,522,623,158.60 - Step 5: Solve for x
x = 105,522,623,158.60/482,696.42 - Step 6: Final answer
x = 218,610.75
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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.