Finding the Fourth Proportional to 208,733.68, 313,034.82 and 68,459.68
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Solution
The fourth proportional to 208,733.68, 313,034.82 and 68,459.68 is: 102,667.97
Step by Step Solution
- Step 1: Write the proportion equation
208,733.68 : 313,034.82 = 68,459.68 : x - Step 2: Convert to fraction form
208,733.68/313,034.82 = 68,459.68/x - Step 3: Cross multiply
208,733.68x = 313,034.82 × 68,459.68 - Step 4: Simplify right side
208,733.68x = 21,430,263,606.06 - Step 5: Solve for x
x = 21,430,263,606.06/208,733.68 - Step 6: Final answer
x = 102,667.97
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.