Finding the Fourth Proportional to 529,857.01, 731,173.13 and 303,517.09
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Solution
The fourth proportional to 529,857.01, 731,173.13 and 303,517.09 is: 418,836.66
Step by Step Solution
- Step 1: Write the proportion equation
529,857.01 : 731,173.13 = 303,517.09 : x - Step 2: Convert to fraction form
529,857.01/731,173.13 = 303,517.09/x - Step 3: Cross multiply
529,857.01x = 731,173.13 × 303,517.09 - Step 4: Simplify right side
529,857.01x = 221,923,539,186.21 - Step 5: Solve for x
x = 221,923,539,186.21/529,857.01 - Step 6: Final answer
x = 418,836.66
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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.