Finding the Fourth Proportional to 206,183.55, 308,750.30 and 135,849.63
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Solution
The fourth proportional to 206,183.55, 308,750.30 and 135,849.63 is: 203,428.52
Step by Step Solution
- Step 1: Write the proportion equation
206,183.55 : 308,750.30 = 135,849.63 : x - Step 2: Convert to fraction form
206,183.55/308,750.30 = 135,849.63/x - Step 3: Cross multiply
206,183.55x = 308,750.30 × 135,849.63 - Step 4: Simplify right side
206,183.55x = 41,943,614,017.39 - Step 5: Solve for x
x = 41,943,614,017.39/206,183.55 - Step 6: Final answer
x = 203,428.52
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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.