Finding the Fourth Proportional to 207,394.35, 286,212.87 and 116,750.49
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Solution
The fourth proportional to 207,394.35, 286,212.87 and 116,750.49 is: 161,120.56
Step by Step Solution
- Step 1: Write the proportion equation
207,394.35 : 286,212.87 = 116,750.49 : x - Step 2: Convert to fraction form
207,394.35/286,212.87 = 116,750.49/x - Step 3: Cross multiply
207,394.35x = 286,212.87 × 116,750.49 - Step 4: Simplify right side
207,394.35x = 33,415,492,816.81 - Step 5: Solve for x
x = 33,415,492,816.81/207,394.35 - Step 6: Final answer
x = 161,120.56
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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.