Finding the Fourth Proportional to 303,116.42, 418,283.46 and 188,392.12
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Solution
The fourth proportional to 303,116.42, 418,283.46 and 188,392.12 is: 259,970.44
Step by Step Solution
- Step 1: Write the proportion equation
303,116.42 : 418,283.46 = 188,392.12 : x - Step 2: Convert to fraction form
303,116.42/418,283.46 = 188,392.12/x - Step 3: Cross multiply
303,116.42x = 418,283.46 × 188,392.12 - Step 4: Simplify right side
303,116.42x = 78,801,307,790.34 - Step 5: Solve for x
x = 78,801,307,790.34/303,116.42 - Step 6: Final answer
x = 259,970.44
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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.