Finding the Fourth Proportional to 290,965.63, 401,472.36 and 170,083.54
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Solution
The fourth proportional to 290,965.63, 401,472.36 and 170,083.54 is: 234,680.09
Step by Step Solution
- Step 1: Write the proportion equation
290,965.63 : 401,472.36 = 170,083.54 : x - Step 2: Convert to fraction form
290,965.63/401,472.36 = 170,083.54/x - Step 3: Cross multiply
290,965.63x = 401,472.36 × 170,083.54 - Step 4: Simplify right side
290,965.63x = 68,283,840,200.95 - Step 5: Solve for x
x = 68,283,840,200.95/290,965.63 - Step 6: Final answer
x = 234,680.09
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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.