Finding the Fourth Proportional to 169,484.81, 233,891.75 and 97,871.09
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Solution
The fourth proportional to 169,484.81, 233,891.75 and 97,871.09 is: 135,063.67
Step by Step Solution
- Step 1: Write the proportion equation
169,484.81 : 233,891.75 = 97,871.09 : x - Step 2: Convert to fraction form
169,484.81/233,891.75 = 97,871.09/x - Step 3: Cross multiply
169,484.81x = 233,891.75 × 97,871.09 - Step 4: Simplify right side
169,484.81x = 22,891,239,589.73 - Step 5: Solve for x
x = 22,891,239,589.73/169,484.81 - Step 6: Final answer
x = 135,063.67
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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.