Finding the Fourth Proportional to 220,674.97, 304,565.43 and 125,161.39
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Solution
The fourth proportional to 220,674.97, 304,565.43 and 125,161.39 is: 172,741.99
Step by Step Solution
- Step 1: Write the proportion equation
220,674.97 : 304,565.43 = 125,161.39 : x - Step 2: Convert to fraction form
220,674.97/304,565.43 = 125,161.39/x - Step 3: Cross multiply
220,674.97x = 304,565.43 × 125,161.39 - Step 4: Simplify right side
220,674.97x = 38,119,832,564.75 - Step 5: Solve for x
x = 38,119,832,564.75/220,674.97 - Step 6: Final answer
x = 172,741.99
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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.