Finding the Fourth Proportional to 258,522.26, 388,146.69 and 132,253.08
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Solution
The fourth proportional to 258,522.26, 388,146.69 and 132,253.08 is: 198,565.47
Step by Step Solution
- Step 1: Write the proportion equation
258,522.26 : 388,146.69 = 132,253.08 : x - Step 2: Convert to fraction form
258,522.26/388,146.69 = 132,253.08/x - Step 3: Cross multiply
258,522.26x = 388,146.69 × 132,253.08 - Step 4: Simplify right side
258,522.26x = 51,333,595,244.31 - Step 5: Solve for x
x = 51,333,595,244.31/258,522.26 - Step 6: Final answer
x = 198,565.47
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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.