Finding the Fourth Proportional to 221,088.92, 305,110.87 and 125,611.79
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Solution
The fourth proportional to 221,088.92, 305,110.87 and 125,611.79 is: 173,348.90
Step by Step Solution
- Step 1: Write the proportion equation
221,088.92 : 305,110.87 = 125,611.79 : x - Step 2: Convert to fraction form
221,088.92/305,110.87 = 125,611.79/x - Step 3: Cross multiply
221,088.92x = 305,110.87 × 125,611.79 - Step 4: Simplify right side
221,088.92x = 38,325,520,689.57 - Step 5: Solve for x
x = 38,325,520,689.57/221,088.92 - Step 6: Final answer
x = 173,348.90
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1.5x scale
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.