Finding the Fourth Proportional to 285,428.14, 428,349.97 and 229,938.48
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Solution
The fourth proportional to 285,428.14, 428,349.97 and 229,938.48 is: 345,075.09
Step by Step Solution
- Step 1: Write the proportion equation
285,428.14 : 428,349.97 = 229,938.48 : x - Step 2: Convert to fraction form
285,428.14/428,349.97 = 229,938.48/x - Step 3: Cross multiply
285,428.14x = 428,349.97 × 229,938.48 - Step 4: Simplify right side
285,428.14x = 98,494,141,297.27 - Step 5: Solve for x
x = 98,494,141,297.27/285,428.14 - Step 6: Final answer
x = 345,075.09
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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.