Finding the Fourth Proportional to 187,708.70, 281,504.18 and 61,320.15
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Solution
The fourth proportional to 187,708.70, 281,504.18 and 61,320.15 is: 91,960.99
Step by Step Solution
- Step 1: Write the proportion equation
187,708.70 : 281,504.18 = 61,320.15 : x - Step 2: Convert to fraction form
187,708.70/281,504.18 = 61,320.15/x - Step 3: Cross multiply
187,708.70x = 281,504.18 × 61,320.15 - Step 4: Simplify right side
187,708.70x = 17,261,878,696.53 - Step 5: Solve for x
x = 17,261,878,696.53/187,708.70 - Step 6: Final answer
x = 91,960.99
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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.