Finding the Fourth Proportional to 424,193.12, 585,387.84 and 242,907.92
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Solution
The fourth proportional to 424,193.12, 585,387.84 and 242,907.92 is: 335,213.69
Step by Step Solution
- Step 1: Write the proportion equation
424,193.12 : 585,387.84 = 242,907.92 : x - Step 2: Convert to fraction form
424,193.12/585,387.84 = 242,907.92/x - Step 3: Cross multiply
424,193.12x = 585,387.84 × 242,907.92 - Step 4: Simplify right side
424,193.12x = 142,195,342,607.69 - Step 5: Solve for x
x = 142,195,342,607.69/424,193.12 - Step 6: Final answer
x = 335,213.69
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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.