Finding the Fourth Proportional to 187,608.84, 281,404.54 and 69,272.52
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Solution
The fourth proportional to 187,608.84, 281,404.54 and 69,272.52 is: 103,905.56
Step by Step Solution
- Step 1: Write the proportion equation
187,608.84 : 281,404.54 = 69,272.52 : x - Step 2: Convert to fraction form
187,608.84/281,404.54 = 69,272.52/x - Step 3: Cross multiply
187,608.84x = 281,404.54 × 69,272.52 - Step 4: Simplify right side
187,608.84x = 19,493,601,625.24 - Step 5: Solve for x
x = 19,493,601,625.24/187,608.84 - Step 6: Final answer
x = 103,905.56
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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.