Finding the Fourth Proportional to 221,444.25, 305,609.49 and 125,981.70
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Solution
The fourth proportional to 221,444.25, 305,609.49 and 125,981.70 is: 173,864.09
Step by Step Solution
- Step 1: Write the proportion equation
221,444.25 : 305,609.49 = 125,981.70 : x - Step 2: Convert to fraction form
221,444.25/305,609.49 = 125,981.70/x - Step 3: Cross multiply
221,444.25x = 305,609.49 × 125,981.70 - Step 4: Simplify right side
221,444.25x = 38,501,203,086.33 - Step 5: Solve for x
x = 38,501,203,086.33/221,444.25 - Step 6: Final answer
x = 173,864.09
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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.