Finding the Fourth Proportional to 202,228.30, 303,342.45 and 135,873.10
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Solution
The fourth proportional to 202,228.30, 303,342.45 and 135,873.10 is: 203,809.65
Step by Step Solution
- Step 1: Write the proportion equation
202,228.30 : 303,342.45 = 135,873.10 : x - Step 2: Convert to fraction form
202,228.30/303,342.45 = 135,873.10/x - Step 3: Cross multiply
202,228.30x = 303,342.45 × 135,873.10 - Step 4: Simplify right side
202,228.30x = 41,216,079,043.10 - Step 5: Solve for x
x = 41,216,079,043.10/202,228.30 - Step 6: Final answer
x = 203,809.65
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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.