Finding the Fourth Proportional to 236,893.80, 326,912.91 and 134,919.26
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Solution
The fourth proportional to 236,893.80, 326,912.91 and 134,919.26 is: 186,188.27
Step by Step Solution
- Step 1: Write the proportion equation
236,893.80 : 326,912.91 = 134,919.26 : x - Step 2: Convert to fraction form
236,893.80/326,912.91 = 134,919.26/x - Step 3: Cross multiply
236,893.80x = 326,912.91 × 134,919.26 - Step 4: Simplify right side
236,893.80x = 44,106,846,267.08 - Step 5: Solve for x
x = 44,106,846,267.08/236,893.80 - Step 6: Final answer
x = 186,188.27
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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.