Finding the Fourth Proportional to 212,033.70, 292,601.51 and 115,235.26
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Solution
The fourth proportional to 212,033.70, 292,601.51 and 115,235.26 is: 159,021.94
Step by Step Solution
- Step 1: Write the proportion equation
212,033.70 : 292,601.51 = 115,235.26 : x - Step 2: Convert to fraction form
212,033.70/292,601.51 = 115,235.26/x - Step 3: Cross multiply
212,033.70x = 292,601.51 × 115,235.26 - Step 4: Simplify right side
212,033.70x = 33,718,010,853.89 - Step 5: Solve for x
x = 33,718,010,853.89/212,033.70 - Step 6: Final answer
x = 159,021.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.