Finding the Fourth Proportional to 135,880.21, 203,598.37 and 82,588.49
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Solution
The fourth proportional to 135,880.21, 203,598.37 and 82,588.49 is: 123,747.83
Step by Step Solution
- Step 1: Write the proportion equation
135,880.21 : 203,598.37 = 82,588.49 : x - Step 2: Convert to fraction form
135,880.21/203,598.37 = 82,588.49/x - Step 3: Cross multiply
135,880.21x = 203,598.37 × 82,588.49 - Step 4: Simplify right side
135,880.21x = 16,814,880,926.77 - Step 5: Solve for x
x = 16,814,880,926.77/135,880.21 - Step 6: Final answer
x = 123,747.83
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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.