Finding the Fourth Proportional to 202,936.80, 304,405.20 and 201,770.40
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Solution
The fourth proportional to 202,936.80, 304,405.20 and 201,770.40 is: 302,655.60
Step by Step Solution
- Step 1: Write the proportion equation
202,936.80 : 304,405.20 = 201,770.40 : x - Step 2: Convert to fraction form
202,936.80/304,405.20 = 201,770.40/x - Step 3: Cross multiply
202,936.80x = 304,405.20 × 201,770.40 - Step 4: Simplify right side
202,936.80x = 61,419,958,966.08 - Step 5: Solve for x
x = 61,419,958,966.08/202,936.80 - Step 6: Final answer
x = 302,655.60
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1.5x scale
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.