Finding the Fourth Proportional to 221,110.92, 305,133.18 and 125,617.80
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Solution
The fourth proportional to 221,110.92, 305,133.18 and 125,617.80 is: 173,352.63
Step by Step Solution
- Step 1: Write the proportion equation
221,110.92 : 305,133.18 = 125,617.80 : x - Step 2: Convert to fraction form
221,110.92/305,133.18 = 125,617.80/x - Step 3: Cross multiply
221,110.92x = 305,133.18 × 125,617.80 - Step 4: Simplify right side
221,110.92x = 38,330,158,778.60 - Step 5: Solve for x
x = 38,330,158,778.60/221,110.92 - Step 6: Final answer
x = 173,352.63
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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.