Finding the Fourth Proportional to 202,707.20, 304,125.60 and 69,672.80
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Solution
The fourth proportional to 202,707.20, 304,125.60 and 69,672.80 is: 104,531.47
Step by Step Solution
- Step 1: Write the proportion equation
202,707.20 : 304,125.60 = 69,672.80 : x - Step 2: Convert to fraction form
202,707.20/304,125.60 = 69,672.80/x - Step 3: Cross multiply
202,707.20x = 304,125.60 × 69,672.80 - Step 4: Simplify right side
202,707.20x = 21,189,282,103.68 - Step 5: Solve for x
x = 21,189,282,103.68/202,707.20 - Step 6: Final answer
x = 104,531.47
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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.