Finding the Fourth Proportional to 225,974.62, 339,072.50 and 91,033.08
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Solution
The fourth proportional to 225,974.62, 339,072.50 and 91,033.08 is: 136,594.16
Step by Step Solution
- Step 1: Write the proportion equation
225,974.62 : 339,072.50 = 91,033.08 : x - Step 2: Convert to fraction form
225,974.62/339,072.50 = 91,033.08/x - Step 3: Cross multiply
225,974.62x = 339,072.50 × 91,033.08 - Step 4: Simplify right side
225,974.62x = 30,866,814,018.30 - Step 5: Solve for x
x = 30,866,814,018.30/225,974.62 - Step 6: Final answer
x = 136,594.16
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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.