Finding the Fourth Proportional to 135,002.21, 202,531.95 and 46,231.88
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Solution
The fourth proportional to 135,002.21, 202,531.95 and 46,231.88 is: 69,357.62
Step by Step Solution
- Step 1: Write the proportion equation
135,002.21 : 202,531.95 = 46,231.88 : x - Step 2: Convert to fraction form
135,002.21/202,531.95 = 46,231.88/x - Step 3: Cross multiply
135,002.21x = 202,531.95 × 46,231.88 - Step 4: Simplify right side
135,002.21x = 9,363,431,795.91 - Step 5: Solve for x
x = 9,363,431,795.91/135,002.21 - Step 6: Final answer
x = 69,357.62
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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.