Finding the Fourth Proportional to 215,760.08, 323,683.32 and 82,634.96
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Solution
The fourth proportional to 215,760.08, 323,683.32 and 82,634.96 is: 123,968.99
Step by Step Solution
- Step 1: Write the proportion equation
215,760.08 : 323,683.32 = 82,634.96 : x - Step 2: Convert to fraction form
215,760.08/323,683.32 = 82,634.96/x - Step 3: Cross multiply
215,760.08x = 323,683.32 × 82,634.96 - Step 4: Simplify right side
215,760.08x = 26,747,558,200.87 - Step 5: Solve for x
x = 26,747,558,200.87/215,760.08 - Step 6: Final answer
x = 123,968.99
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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.