Finding the Fourth Proportional to 151,816.92, 209,458.62 and 84,735.96
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Solution
The fourth proportional to 151,816.92, 209,458.62 and 84,735.96 is: 116,908.43
Step by Step Solution
- Step 1: Write the proportion equation
151,816.92 : 209,458.62 = 84,735.96 : x - Step 2: Convert to fraction form
151,816.92/209,458.62 = 84,735.96/x - Step 3: Cross multiply
151,816.92x = 209,458.62 × 84,735.96 - Step 4: Simplify right side
151,816.92x = 17,748,677,245.98 - Step 5: Solve for x
x = 17,748,677,245.98/151,816.92 - Step 6: Final answer
x = 116,908.43
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1.5x scale
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.