Finding the Fourth Proportional to 303,422.70, 418,623.48 and 196,055.99
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Solution
The fourth proportional to 303,422.70, 418,623.48 and 196,055.99 is: 270,492.74
Step by Step Solution
- Step 1: Write the proportion equation
303,422.70 : 418,623.48 = 196,055.99 : x - Step 2: Convert to fraction form
303,422.70/418,623.48 = 196,055.99/x - Step 3: Cross multiply
303,422.70x = 418,623.48 × 196,055.99 - Step 4: Simplify right side
303,422.70x = 82,073,638,715.53 - Step 5: Solve for x
x = 82,073,638,715.53/303,422.70 - Step 6: Final answer
x = 270,492.74
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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.