Finding the Fourth Proportional to 336,738.40, 464,778.42 and 193,581.40
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Solution
The fourth proportional to 336,738.40, 464,778.42 and 193,581.40 is: 267,187.99
Step by Step Solution
- Step 1: Write the proportion equation
336,738.40 : 464,778.42 = 193,581.40 : x - Step 2: Convert to fraction form
336,738.40/464,778.42 = 193,581.40/x - Step 3: Cross multiply
336,738.40x = 464,778.42 × 193,581.40 - Step 4: Simplify right side
336,738.40x = 89,972,457,233.39 - Step 5: Solve for x
x = 89,972,457,233.39/336,738.40 - Step 6: Final answer
x = 267,187.99
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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.