Finding the Fourth Proportional to 187,790.98, 281,686.95 and 47,549.62
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Solution
The fourth proportional to 187,790.98, 281,686.95 and 47,549.62 is: 71,324.55
Step by Step Solution
- Step 1: Write the proportion equation
187,790.98 : 281,686.95 = 47,549.62 : x - Step 2: Convert to fraction form
187,790.98/281,686.95 = 47,549.62/x - Step 3: Cross multiply
187,790.98x = 281,686.95 × 47,549.62 - Step 4: Simplify right side
187,790.98x = 13,394,107,431.46 - Step 5: Solve for x
x = 13,394,107,431.46/187,790.98 - Step 6: Final answer
x = 71,324.55
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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.