Finding the Fourth Proportional to 290,911.36, 401,463.12 and 170,062.96
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Solution
The fourth proportional to 290,911.36, 401,463.12 and 170,062.96 is: 234,690.07
Step by Step Solution
- Step 1: Write the proportion equation
290,911.36 : 401,463.12 = 170,062.96 : x - Step 2: Convert to fraction form
290,911.36/401,463.12 = 170,062.96/x - Step 3: Cross multiply
290,911.36x = 401,463.12 × 170,062.96 - Step 4: Simplify right side
290,911.36x = 68,274,006,518.04 - Step 5: Solve for x
x = 68,274,006,518.04/290,911.36 - Step 6: Final answer
x = 234,690.07
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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.