Finding the Fourth Proportional to 424,442.87, 585,814.37 and 243,276.23
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Solution
The fourth proportional to 424,442.87, 585,814.37 and 243,276.23 is: 335,768.89
Step by Step Solution
- Step 1: Write the proportion equation
424,442.87 : 585,814.37 = 243,276.23 : x - Step 2: Convert to fraction form
424,442.87/585,814.37 = 243,276.23/x - Step 3: Cross multiply
424,442.87x = 585,814.37 × 243,276.23 - Step 4: Simplify right side
424,442.87x = 142,514,711,413.43 - Step 5: Solve for x
x = 142,514,711,413.43/424,442.87 - Step 6: Final answer
x = 335,768.89
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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.