Finding the Fourth Proportional to 215,537.70, 323,306.55 and 215,537.70
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Solution
The fourth proportional to 215,537.70, 323,306.55 and 215,537.70 is: 323,306.55
Step by Step Solution
- Step 1: Write the proportion equation
215,537.70 : 323,306.55 = 215,537.70 : x - Step 2: Convert to fraction form
215,537.70/323,306.55 = 215,537.70/x - Step 3: Cross multiply
215,537.70x = 323,306.55 × 215,537.70 - Step 4: Simplify right side
215,537.70x = 69,684,750,181.94 - Step 5: Solve for x
x = 69,684,750,181.94/215,537.70 - Step 6: Final answer
x = 323,306.55
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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.