Finding the Fourth Proportional to 149,565.75, 206,400.74 and 82,497.75
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Solution
The fourth proportional to 149,565.75, 206,400.74 and 82,497.75 is: 113,846.90
Step by Step Solution
- Step 1: Write the proportion equation
149,565.75 : 206,400.74 = 82,497.75 : x - Step 2: Convert to fraction form
149,565.75/206,400.74 = 82,497.75/x - Step 3: Cross multiply
149,565.75x = 206,400.74 × 82,497.75 - Step 4: Simplify right side
149,565.75x = 17,027,596,235.85 - Step 5: Solve for x
x = 17,027,596,235.85/149,565.75 - Step 6: Final answer
x = 113,846.90
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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.