Finding the Fourth Proportional to 347,716.80, 521,283.60 and 181,504.80
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Solution
The fourth proportional to 347,716.80, 521,283.60 and 181,504.80 is: 272,104.99
Step by Step Solution
- Step 1: Write the proportion equation
347,716.80 : 521,283.60 = 181,504.80 : x - Step 2: Convert to fraction form
347,716.80/521,283.60 = 181,504.80/x - Step 3: Cross multiply
347,716.80x = 521,283.60 × 181,504.80 - Step 4: Simplify right side
347,716.80x = 94,615,475,561.28 - Step 5: Solve for x
x = 94,615,475,561.28/347,716.80 - Step 6: Final answer
x = 272,104.99
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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.