Finding the Fourth Proportional to 136,606.63, 203,841.44 and 122,422.09
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Solution
The fourth proportional to 136,606.63, 203,841.44 and 122,422.09 is: 182,675.58
Step by Step Solution
- Step 1: Write the proportion equation
136,606.63 : 203,841.44 = 122,422.09 : x - Step 2: Convert to fraction form
136,606.63/203,841.44 = 122,422.09/x - Step 3: Cross multiply
136,606.63x = 203,841.44 × 122,422.09 - Step 4: Simplify right side
136,606.63x = 24,954,695,113.41 - Step 5: Solve for x
x = 24,954,695,113.41/136,606.63 - Step 6: Final answer
x = 182,675.58
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.