Finding the Fourth Proportional to 206,746.26, 285,340.70 and 126,220.46
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Solution
The fourth proportional to 206,746.26, 285,340.70 and 126,220.46 is: 174,203.08
Step by Step Solution
- Step 1: Write the proportion equation
206,746.26 : 285,340.70 = 126,220.46 : x - Step 2: Convert to fraction form
206,746.26/285,340.70 = 126,220.46/x - Step 3: Cross multiply
206,746.26x = 285,340.70 × 126,220.46 - Step 4: Simplify right side
206,746.26x = 36,015,834,410.72 - Step 5: Solve for x
x = 36,015,834,410.72/206,746.26 - Step 6: Final answer
x = 174,203.08
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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.