Finding the Fourth Proportional to 202,718.70, 304,229.52 and 76,483.44
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Solution
The fourth proportional to 202,718.70, 304,229.52 and 76,483.44 is: 114,782.31
Step by Step Solution
- Step 1: Write the proportion equation
202,718.70 : 304,229.52 = 76,483.44 : x - Step 2: Convert to fraction form
202,718.70/304,229.52 = 76,483.44/x - Step 3: Cross multiply
202,718.70x = 304,229.52 × 76,483.44 - Step 4: Simplify right side
202,718.70x = 23,268,520,239.15 - Step 5: Solve for x
x = 23,268,520,239.15/202,718.70 - Step 6: Final answer
x = 114,782.31
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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.