Finding the Fourth Proportional to 187,765.34, 281,648.21 and 47,523.96
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Solution
The fourth proportional to 187,765.34, 281,648.21 and 47,523.96 is: 71,285.99
Step by Step Solution
- Step 1: Write the proportion equation
187,765.34 : 281,648.21 = 47,523.96 : x - Step 2: Convert to fraction form
187,765.34/281,648.21 = 47,523.96/x - Step 3: Cross multiply
187,765.34x = 281,648.21 × 47,523.96 - Step 4: Simplify right side
187,765.34x = 13,385,038,028.49 - Step 5: Solve for x
x = 13,385,038,028.49/187,765.34 - Step 6: Final answer
x = 71,285.99
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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.