Finding the Fourth Proportional to 215,740.26, 323,356.22 and 97,272.90
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Solution
The fourth proportional to 215,740.26, 323,356.22 and 97,272.90 is: 145,794.75
Step by Step Solution
- Step 1: Write the proportion equation
215,740.26 : 323,356.22 = 97,272.90 : x - Step 2: Convert to fraction form
215,740.26/323,356.22 = 97,272.90/x - Step 3: Cross multiply
215,740.26x = 323,356.22 × 97,272.90 - Step 4: Simplify right side
215,740.26x = 31,453,797,252.44 - Step 5: Solve for x
x = 31,453,797,252.44/215,740.26 - Step 6: Final answer
x = 145,794.75
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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.