Finding the Fourth Proportional to 202,215.30, 303,322.95 and 135,687.30
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Solution
The fourth proportional to 202,215.30, 303,322.95 and 135,687.30 is: 203,530.95
Step by Step Solution
- Step 1: Write the proportion equation
202,215.30 : 303,322.95 = 135,687.30 : x - Step 2: Convert to fraction form
202,215.30/303,322.95 = 135,687.30/x - Step 3: Cross multiply
202,215.30x = 303,322.95 × 135,687.30 - Step 4: Simplify right side
202,215.30x = 41,157,072,113.54 - Step 5: Solve for x
x = 41,157,072,113.54/202,215.30 - Step 6: Final answer
x = 203,530.95
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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.