Finding the Fourth Proportional to 203,486.70, 305,254.53 and 98,231.70
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Solution
The fourth proportional to 203,486.70, 305,254.53 and 98,231.70 is: 147,359.37
Step by Step Solution
- Step 1: Write the proportion equation
203,486.70 : 305,254.53 = 98,231.70 : x - Step 2: Convert to fraction form
203,486.70/305,254.53 = 98,231.70/x - Step 3: Cross multiply
203,486.70x = 305,254.53 × 98,231.70 - Step 4: Simplify right side
203,486.70x = 29,985,671,414.60 - Step 5: Solve for x
x = 29,985,671,414.60/203,486.70 - Step 6: Final answer
x = 147,359.37
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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.