Finding the Fourth Proportional to 215,844.68, 323,582.36 and 82,820.41
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Solution
The fourth proportional to 215,844.68, 323,582.36 and 82,820.41 is: 124,159.75
Step by Step Solution
- Step 1: Write the proportion equation
215,844.68 : 323,582.36 = 82,820.41 : x - Step 2: Convert to fraction form
215,844.68/323,582.36 = 82,820.41/x - Step 3: Cross multiply
215,844.68x = 323,582.36 × 82,820.41 - Step 4: Simplify right side
215,844.68x = 26,799,222,500.91 - Step 5: Solve for x
x = 26,799,222,500.91/215,844.68 - Step 6: Final answer
x = 124,159.75
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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.