Finding the Fourth Proportional to 151,760.64, 209,388.96 and 98,026.08
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Solution
The fourth proportional to 151,760.64, 209,388.96 and 98,026.08 is: 135,249.69
Step by Step Solution
- Step 1: Write the proportion equation
151,760.64 : 209,388.96 = 98,026.08 : x - Step 2: Convert to fraction form
151,760.64/209,388.96 = 98,026.08/x - Step 3: Cross multiply
151,760.64x = 209,388.96 × 98,026.08 - Step 4: Simplify right side
151,760.64x = 20,525,578,944.08 - Step 5: Solve for x
x = 20,525,578,944.08/151,760.64 - Step 6: Final answer
x = 135,249.69
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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.