Finding the Fourth Proportional to 207,858.44, 286,653.32 and 136,212.44
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Solution
The fourth proportional to 207,858.44, 286,653.32 and 136,212.44 is: 187,847.79
Step by Step Solution
- Step 1: Write the proportion equation
207,858.44 : 286,653.32 = 136,212.44 : x - Step 2: Convert to fraction form
207,858.44/286,653.32 = 136,212.44/x - Step 3: Cross multiply
207,858.44x = 286,653.32 × 136,212.44 - Step 4: Simplify right side
207,858.44x = 39,045,748,151.30 - Step 5: Solve for x
x = 39,045,748,151.30/207,858.44 - Step 6: Final answer
x = 187,847.79
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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.