Finding the Fourth Proportional to 312,176.05, 468,074.45 and 122,409.08
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Solution
The fourth proportional to 312,176.05, 468,074.45 and 122,409.08 is: 183,539.26
Step by Step Solution
- Step 1: Write the proportion equation
312,176.05 : 468,074.45 = 122,409.08 : x - Step 2: Convert to fraction form
312,176.05/468,074.45 = 122,409.08/x - Step 3: Cross multiply
312,176.05x = 468,074.45 × 122,409.08 - Step 4: Simplify right side
312,176.05x = 57,296,560,761.66 - Step 5: Solve for x
x = 57,296,560,761.66/312,176.05 - Step 6: Final answer
x = 183,539.26
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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.