Finding the Fourth Proportional to 135,000.68, 202,310.87 and 103,287.96
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Solution
The fourth proportional to 135,000.68, 202,310.87 and 103,287.96 is: 154,786.46
Step by Step Solution
- Step 1: Write the proportion equation
135,000.68 : 202,310.87 = 103,287.96 : x - Step 2: Convert to fraction form
135,000.68/202,310.87 = 103,287.96/x - Step 3: Cross multiply
135,000.68x = 202,310.87 × 103,287.96 - Step 4: Simplify right side
135,000.68x = 20,896,276,531.69 - Step 5: Solve for x
x = 20,896,276,531.69/135,000.68 - Step 6: Final answer
x = 154,786.46
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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.