Finding the Fourth Proportional to 207,363.24, 286,188.78 and 116,736.96
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Solution
The fourth proportional to 207,363.24, 286,188.78 and 116,736.96 is: 161,112.49
Step by Step Solution
- Step 1: Write the proportion equation
207,363.24 : 286,188.78 = 116,736.96 : x - Step 2: Convert to fraction form
207,363.24/286,188.78 = 116,736.96/x - Step 3: Cross multiply
207,363.24x = 286,188.78 × 116,736.96 - Step 4: Simplify right side
207,363.24x = 33,408,808,163.31 - Step 5: Solve for x
x = 33,408,808,163.31/207,363.24 - Step 6: Final answer
x = 161,112.49
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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.