Finding the Fourth Proportional to 171,299.26, 236,364.78 and 107,591.68
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Solution
The fourth proportional to 171,299.26, 236,364.78 and 107,591.68 is: 148,458.81
Step by Step Solution
- Step 1: Write the proportion equation
171,299.26 : 236,364.78 = 107,591.68 : x - Step 2: Convert to fraction form
171,299.26/236,364.78 = 107,591.68/x - Step 3: Cross multiply
171,299.26x = 236,364.78 × 107,591.68 - Step 4: Simplify right side
171,299.26x = 25,430,883,773.03 - Step 5: Solve for x
x = 25,430,883,773.03/171,299.26 - Step 6: Final answer
x = 148,458.81
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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.