Finding the Fourth Proportional to 157,582.44, 217,454.88 and 89,589.96
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Solution
The fourth proportional to 157,582.44, 217,454.88 and 89,589.96 is: 123,629.09
Step by Step Solution
- Step 1: Write the proportion equation
157,582.44 : 217,454.88 = 89,589.96 : x - Step 2: Convert to fraction form
157,582.44/217,454.88 = 89,589.96/x - Step 3: Cross multiply
157,582.44x = 217,454.88 × 89,589.96 - Step 4: Simplify right side
157,582.44x = 19,481,774,001.00 - Step 5: Solve for x
x = 19,481,774,001.00/157,582.44 - Step 6: Final answer
x = 123,629.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.