Finding the Fourth Proportional to 154,532.43, 231,497.91 and 113,931.99
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Solution
The fourth proportional to 154,532.43, 231,497.91 and 113,931.99 is: 170,676.26
Step by Step Solution
- Step 1: Write the proportion equation
154,532.43 : 231,497.91 = 113,931.99 : x - Step 2: Convert to fraction form
154,532.43/231,497.91 = 113,931.99/x - Step 3: Cross multiply
154,532.43x = 231,497.91 × 113,931.99 - Step 4: Simplify right side
154,532.43x = 26,375,017,567.14 - Step 5: Solve for x
x = 26,375,017,567.14/154,532.43 - Step 6: Final answer
x = 170,676.26
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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.