Finding the Fourth Proportional to 202,621.11, 303,659.97 and 157,696.71
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Solution
The fourth proportional to 202,621.11, 303,659.97 and 157,696.71 is: 236,333.61
Step by Step Solution
- Step 1: Write the proportion equation
202,621.11 : 303,659.97 = 157,696.71 : x - Step 2: Convert to fraction form
202,621.11/303,659.97 = 157,696.71/x - Step 3: Cross multiply
202,621.11x = 303,659.97 × 157,696.71 - Step 4: Simplify right side
202,621.11x = 47,886,178,227.70 - Step 5: Solve for x
x = 47,886,178,227.70/202,621.11 - Step 6: Final answer
x = 236,333.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.