Finding the Fourth Proportional to 488,431.94, 674,365.20 and 304,950.14
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Solution
The fourth proportional to 488,431.94, 674,365.20 and 304,950.14 is: 421,036.68
Step by Step Solution
- Step 1: Write the proportion equation
488,431.94 : 674,365.20 = 304,950.14 : x - Step 2: Convert to fraction form
488,431.94/674,365.20 = 304,950.14/x - Step 3: Cross multiply
488,431.94x = 674,365.20 × 304,950.14 - Step 4: Simplify right side
488,431.94x = 205,647,762,151.13 - Step 5: Solve for x
x = 205,647,762,151.13/488,431.94 - Step 6: Final answer
x = 421,036.68
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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.