Finding the Fourth Proportional to 203,435.40, 305,201.70 and 98,167.80
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Solution
The fourth proportional to 203,435.40, 305,201.70 and 98,167.80 is: 147,275.15
Step by Step Solution
- Step 1: Write the proportion equation
203,435.40 : 305,201.70 = 98,167.80 : x - Step 2: Convert to fraction form
203,435.40/305,201.70 = 98,167.80/x - Step 3: Cross multiply
203,435.40x = 305,201.70 × 98,167.80 - Step 4: Simplify right side
203,435.40x = 29,960,979,445.26 - Step 5: Solve for x
x = 29,960,979,445.26/203,435.40 - Step 6: Final answer
x = 147,275.15
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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.