Finding the Fourth Proportional to 203,908.70, 305,863.05 and 203,908.70
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Solution
The fourth proportional to 203,908.70, 305,863.05 and 203,908.70 is: 305,863.05
Step by Step Solution
- Step 1: Write the proportion equation
203,908.70 : 305,863.05 = 203,908.70 : x - Step 2: Convert to fraction form
203,908.70/305,863.05 = 203,908.70/x - Step 3: Cross multiply
203,908.70x = 305,863.05 × 203,908.70 - Step 4: Simplify right side
203,908.70x = 62,368,136,903.54 - Step 5: Solve for x
x = 62,368,136,903.54/203,908.70 - Step 6: Final answer
x = 305,863.05
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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.