Finding the Fourth Proportional to 220,471.57, 304,241.94 and 129,831.36
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Solution
The fourth proportional to 220,471.57, 304,241.94 and 129,831.36 is: 179,162.08
Step by Step Solution
- Step 1: Write the proportion equation
220,471.57 : 304,241.94 = 129,831.36 : x - Step 2: Convert to fraction form
220,471.57/304,241.94 = 129,831.36/x - Step 3: Cross multiply
220,471.57x = 304,241.94 × 129,831.36 - Step 4: Simplify right side
220,471.57x = 39,500,144,839.24 - Step 5: Solve for x
x = 39,500,144,839.24/220,471.57 - Step 6: Final answer
x = 179,162.08
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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.