Finding the Fourth Proportional to 149,445.24, 206,238.36 and 92,122.44
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Solution
The fourth proportional to 149,445.24, 206,238.36 and 92,122.44 is: 127,131.39
Step by Step Solution
- Step 1: Write the proportion equation
149,445.24 : 206,238.36 = 92,122.44 : x - Step 2: Convert to fraction form
149,445.24/206,238.36 = 92,122.44/x - Step 3: Cross multiply
149,445.24x = 206,238.36 × 92,122.44 - Step 4: Simplify right side
149,445.24x = 18,999,180,944.80 - Step 5: Solve for x
x = 18,999,180,944.80/149,445.24 - Step 6: Final answer
x = 127,131.39
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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.