Finding the Fourth Proportional to 303,111.68, 418,220.97 and 195,658.70
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Solution
The fourth proportional to 303,111.68, 418,220.97 and 195,658.70 is: 269,961.79
Step by Step Solution
- Step 1: Write the proportion equation
303,111.68 : 418,220.97 = 195,658.70 : x - Step 2: Convert to fraction form
303,111.68/418,220.97 = 195,658.70/x - Step 3: Cross multiply
303,111.68x = 418,220.97 × 195,658.70 - Step 4: Simplify right side
303,111.68x = 81,828,571,302.94 - Step 5: Solve for x
x = 81,828,571,302.94/303,111.68 - Step 6: Final answer
x = 269,961.79
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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.