Finding the Fourth Proportional to 136,291.42, 204,349.65 and 89,489.62
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Solution
The fourth proportional to 136,291.42, 204,349.65 and 89,489.62 is: 134,176.99
Step by Step Solution
- Step 1: Write the proportion equation
136,291.42 : 204,349.65 = 89,489.62 : x - Step 2: Convert to fraction form
136,291.42/204,349.65 = 89,489.62/x - Step 3: Cross multiply
136,291.42x = 204,349.65 × 89,489.62 - Step 4: Simplify right side
136,291.42x = 18,287,172,525.63 - Step 5: Solve for x
x = 18,287,172,525.63/136,291.42 - Step 6: Final answer
x = 134,176.99
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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.