Finding the Fourth Proportional to 247,578.57, 340,344.68 and 212,997.06
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Solution
The fourth proportional to 247,578.57, 340,344.68 and 212,997.06 is: 292,805.69
Step by Step Solution
- Step 1: Write the proportion equation
247,578.57 : 340,344.68 = 212,997.06 : x - Step 2: Convert to fraction form
247,578.57/340,344.68 = 212,997.06/x - Step 3: Cross multiply
247,578.57x = 340,344.68 × 212,997.06 - Step 4: Simplify right side
247,578.57x = 72,492,415,161.66 - Step 5: Solve for x
x = 72,492,415,161.66/247,578.57 - Step 6: Final answer
x = 292,805.69
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.