Finding the Fourth Proportional to 171,699.41, 236,896.92 and 135,287.96
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Solution
The fourth proportional to 171,699.41, 236,896.92 and 135,287.96 is: 186,659.34
Step by Step Solution
- Step 1: Write the proportion equation
171,699.41 : 236,896.92 = 135,287.96 : x - Step 2: Convert to fraction form
171,699.41/236,896.92 = 135,287.96/x - Step 3: Cross multiply
171,699.41x = 236,896.92 × 135,287.96 - Step 4: Simplify right side
171,699.41x = 32,049,299,852.60 - Step 5: Solve for x
x = 32,049,299,852.60/171,699.41 - Step 6: Final answer
x = 186,659.34
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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.