Finding the Fourth Proportional to 187,965.36, 281,965.86 and 68,052.57
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Solution
The fourth proportional to 187,965.36, 281,965.86 and 68,052.57 is: 102,085.31
Step by Step Solution
- Step 1: Write the proportion equation
187,965.36 : 281,965.86 = 68,052.57 : x - Step 2: Convert to fraction form
187,965.36/281,965.86 = 68,052.57/x - Step 3: Cross multiply
187,965.36x = 281,965.86 × 68,052.57 - Step 4: Simplify right side
187,965.36x = 19,188,501,425.26 - Step 5: Solve for x
x = 19,188,501,425.26/187,965.36 - Step 6: Final answer
x = 102,085.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.