Finding the Fourth Proportional to 317,990.49, 438,825.44 and 182,023.70
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Solution
The fourth proportional to 317,990.49, 438,825.44 and 182,023.70 is: 251,191.87
Step by Step Solution
- Step 1: Write the proportion equation
317,990.49 : 438,825.44 = 182,023.70 : x - Step 2: Convert to fraction form
317,990.49/438,825.44 = 182,023.70/x - Step 3: Cross multiply
317,990.49x = 438,825.44 × 182,023.70 - Step 4: Simplify right side
317,990.49x = 79,876,627,138.68 - Step 5: Solve for x
x = 79,876,627,138.68/317,990.49 - Step 6: Final answer
x = 251,191.87
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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.