Finding the Fourth Proportional to 187,821.99, 281,732.58 and 47,580.21
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Solution
The fourth proportional to 187,821.99, 281,732.58 and 47,580.21 is: 71,370.21
Step by Step Solution
- Step 1: Write the proportion equation
187,821.99 : 281,732.58 = 47,580.21 : x - Step 2: Convert to fraction form
187,821.99/281,732.58 = 47,580.21/x - Step 3: Cross multiply
187,821.99x = 281,732.58 × 47,580.21 - Step 4: Simplify right side
187,821.99x = 13,404,895,320.24 - Step 5: Solve for x
x = 13,404,895,320.24/187,821.99 - Step 6: Final answer
x = 71,370.21
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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.