Finding the Fourth Proportional to 203,390.81, 305,087.99 and 53,652.36
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Solution
The fourth proportional to 203,390.81, 305,087.99 and 53,652.36 is: 80,479.01
Step by Step Solution
- Step 1: Write the proportion equation
203,390.81 : 305,087.99 = 53,652.36 : x - Step 2: Convert to fraction form
203,390.81/305,087.99 = 53,652.36/x - Step 3: Cross multiply
203,390.81x = 305,087.99 × 53,652.36 - Step 4: Simplify right side
203,390.81x = 16,368,690,671.16 - Step 5: Solve for x
x = 16,368,690,671.16/203,390.81 - Step 6: Final answer
x = 80,479.01
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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.