Finding the Fourth Proportional to 187,823.22, 281,767.62 and 82,639.44
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Solution
The fourth proportional to 187,823.22, 281,767.62 and 82,639.44 is: 123,973.59
Step by Step Solution
- Step 1: Write the proportion equation
187,823.22 : 281,767.62 = 82,639.44 : x - Step 2: Convert to fraction form
187,823.22/281,767.62 = 82,639.44/x - Step 3: Cross multiply
187,823.22x = 281,767.62 × 82,639.44 - Step 4: Simplify right side
187,823.22x = 23,285,118,326.93 - Step 5: Solve for x
x = 23,285,118,326.93/187,823.22 - Step 6: Final answer
x = 123,973.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.