Finding the Fourth Proportional to 215,549.70, 323,324.55 and 215,549.70
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Solution
The fourth proportional to 215,549.70, 323,324.55 and 215,549.70 is: 323,324.55
Step by Step Solution
- Step 1: Write the proportion equation
215,549.70 : 323,324.55 = 215,549.70 : x - Step 2: Convert to fraction form
215,549.70/323,324.55 = 215,549.70/x - Step 3: Cross multiply
215,549.70x = 323,324.55 × 215,549.70 - Step 4: Simplify right side
215,549.70x = 69,692,509,755.14 - Step 5: Solve for x
x = 69,692,509,755.14/215,549.70 - Step 6: Final answer
x = 323,324.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.