Finding the Fourth Proportional to 201,936.80, 302,905.20 and 61,677.20
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Solution
The fourth proportional to 201,936.80, 302,905.20 and 61,677.20 is: 92,515.80
Step by Step Solution
- Step 1: Write the proportion equation
201,936.80 : 302,905.20 = 61,677.20 : x - Step 2: Convert to fraction form
201,936.80/302,905.20 = 61,677.20/x - Step 3: Cross multiply
201,936.80x = 302,905.20 × 61,677.20 - Step 4: Simplify right side
201,936.80x = 18,682,344,601.44 - Step 5: Solve for x
x = 18,682,344,601.44/201,936.80 - Step 6: Final answer
x = 92,515.80
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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.