Finding the Fourth Proportional to 265,912.80, 398,869.20 and 202,927.20
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Solution
The fourth proportional to 265,912.80, 398,869.20 and 202,927.20 is: 304,390.80
Step by Step Solution
- Step 1: Write the proportion equation
265,912.80 : 398,869.20 = 202,927.20 : x - Step 2: Convert to fraction form
265,912.80/398,869.20 = 202,927.20/x - Step 3: Cross multiply
265,912.80x = 398,869.20 × 202,927.20 - Step 4: Simplify right side
265,912.80x = 80,941,409,922.24 - Step 5: Solve for x
x = 80,941,409,922.24/265,912.80 - Step 6: Final answer
x = 304,390.80
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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.