Finding the Fourth Proportional to 191,353.35, 287,034.75 and 91,524.09
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Solution
The fourth proportional to 191,353.35, 287,034.75 and 91,524.09 is: 137,288.39
Step by Step Solution
- Step 1: Write the proportion equation
191,353.35 : 287,034.75 = 91,524.09 : x - Step 2: Convert to fraction form
191,353.35/287,034.75 = 91,524.09/x - Step 3: Cross multiply
191,353.35x = 287,034.75 × 91,524.09 - Step 4: Simplify right side
191,353.35x = 26,270,594,292.13 - Step 5: Solve for x
x = 26,270,594,292.13/191,353.35 - Step 6: Final answer
x = 137,288.39
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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.