Finding the Fourth Proportional to 187,833.87, 281,768.18 and 67,920.75
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Solution
The fourth proportional to 187,833.87, 281,768.18 and 67,920.75 is: 101,887.41
Step by Step Solution
- Step 1: Write the proportion equation
187,833.87 : 281,768.18 = 67,920.75 : x - Step 2: Convert to fraction form
187,833.87/281,768.18 = 67,920.75/x - Step 3: Cross multiply
187,833.87x = 281,768.18 × 67,920.75 - Step 4: Simplify right side
187,833.87x = 19,137,905,772.13 - Step 5: Solve for x
x = 19,137,905,772.13/187,833.87 - Step 6: Final answer
x = 101,887.41
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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.