Finding the Fourth Proportional to 356,738.93, 535,163.69 and 120,063.14
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Solution
The fourth proportional to 356,738.93, 535,163.69 and 120,063.14 is: 180,113.32
Step by Step Solution
- Step 1: Write the proportion equation
356,738.93 : 535,163.69 = 120,063.14 : x - Step 2: Convert to fraction form
356,738.93/535,163.69 = 120,063.14/x - Step 3: Cross multiply
356,738.93x = 535,163.69 × 120,063.14 - Step 4: Simplify right side
356,738.93x = 64,253,433,035.39 - Step 5: Solve for x
x = 64,253,433,035.39/356,738.93 - Step 6: Final answer
x = 180,113.32
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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.