Finding the Fourth Proportional to 203,517.81, 305,174.25 and 119,298.06
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Solution
The fourth proportional to 203,517.81, 305,174.25 and 119,298.06 is: 178,887.03
Step by Step Solution
- Step 1: Write the proportion equation
203,517.81 : 305,174.25 = 119,298.06 : x - Step 2: Convert to fraction form
203,517.81/305,174.25 = 119,298.06/x - Step 3: Cross multiply
203,517.81x = 305,174.25 × 119,298.06 - Step 4: Simplify right side
203,517.81x = 36,406,695,986.96 - Step 5: Solve for x
x = 36,406,695,986.96/203,517.81 - Step 6: Final answer
x = 178,887.03
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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.