Finding the Fourth Proportional to 215,684.96, 323,226.96 and 110,281.28
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Solution
The fourth proportional to 215,684.96, 323,226.96 and 110,281.28 is: 165,268.28
Step by Step Solution
- Step 1: Write the proportion equation
215,684.96 : 323,226.96 = 110,281.28 : x - Step 2: Convert to fraction form
215,684.96/323,226.96 = 110,281.28/x - Step 3: Cross multiply
215,684.96x = 323,226.96 × 110,281.28 - Step 4: Simplify right side
215,684.96x = 35,645,882,879.31 - Step 5: Solve for x
x = 35,645,882,879.31/215,684.96 - Step 6: Final answer
x = 165,268.28
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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.