Finding the Fourth Proportional to 206,746.27, 285,340.70 and 126,220.48
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Solution
The fourth proportional to 206,746.27, 285,340.70 and 126,220.48 is: 174,203.09
Step by Step Solution
- Step 1: Write the proportion equation
206,746.27 : 285,340.70 = 126,220.48 : x - Step 2: Convert to fraction form
206,746.27/285,340.70 = 126,220.48/x - Step 3: Cross multiply
206,746.27x = 285,340.70 × 126,220.48 - Step 4: Simplify right side
206,746.27x = 36,015,838,059.73 - Step 5: Solve for x
x = 36,015,838,059.73/206,746.27 - Step 6: Final answer
x = 174,203.09
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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.