Finding the Fourth Proportional to 215,627.19, 323,590.87 and 89,268.09
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Solution
The fourth proportional to 215,627.19, 323,590.87 and 89,268.09 is: 133,964.27
Step by Step Solution
- Step 1: Write the proportion equation
215,627.19 : 323,590.87 = 89,268.09 : x - Step 2: Convert to fraction form
215,627.19/323,590.87 = 89,268.09/x - Step 3: Cross multiply
215,627.19x = 323,590.87 × 89,268.09 - Step 4: Simplify right side
215,627.19x = 28,886,340,008.22 - Step 5: Solve for x
x = 28,886,340,008.22/215,627.19 - Step 6: Final answer
x = 133,964.27
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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.