Finding the Fourth Proportional to 294,803.70, 406,900.41 and 274,858.26
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Solution
The fourth proportional to 294,803.70, 406,900.41 and 274,858.26 is: 379,370.88
Step by Step Solution
- Step 1: Write the proportion equation
294,803.70 : 406,900.41 = 274,858.26 : x - Step 2: Convert to fraction form
294,803.70/406,900.41 = 274,858.26/x - Step 3: Cross multiply
294,803.70x = 406,900.41 × 274,858.26 - Step 4: Simplify right side
294,803.70x = 111,839,938,685.89 - Step 5: Solve for x
x = 111,839,938,685.89/294,803.70 - Step 6: Final answer
x = 379,370.88
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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.