Finding the Fourth Proportional to 292,362.21, 403,451.67 and 165,049.65
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Solution
The fourth proportional to 292,362.21, 403,451.67 and 165,049.65 is: 227,763.90
Step by Step Solution
- Step 1: Write the proportion equation
292,362.21 : 403,451.67 = 165,049.65 : x - Step 2: Convert to fraction form
292,362.21/403,451.67 = 165,049.65/x - Step 3: Cross multiply
292,362.21x = 403,451.67 × 165,049.65 - Step 4: Simplify right side
292,362.21x = 66,589,556,925.42 - Step 5: Solve for x
x = 66,589,556,925.42/292,362.21 - Step 6: Final answer
x = 227,763.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.