Finding the Fourth Proportional to 204,295.77, 281,695.73 and 143,847.09
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Solution
The fourth proportional to 204,295.77, 281,695.73 and 143,847.09 is: 198,345.32
Step by Step Solution
- Step 1: Write the proportion equation
204,295.77 : 281,695.73 = 143,847.09 : x - Step 2: Convert to fraction form
204,295.77/281,695.73 = 143,847.09/x - Step 3: Cross multiply
204,295.77x = 281,695.73 × 143,847.09 - Step 4: Simplify right side
204,295.77x = 40,521,110,306.69 - Step 5: Solve for x
x = 40,521,110,306.69/204,295.77 - Step 6: Final answer
x = 198,345.32
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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.