Finding the Fourth Proportional to 125,318.30, 187,988.49 and 35,361.81
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Solution
The fourth proportional to 125,318.30, 187,988.49 and 35,361.81 is: 53,045.82
Step by Step Solution
- Step 1: Write the proportion equation
125,318.30 : 187,988.49 = 35,361.81 : x - Step 2: Convert to fraction form
125,318.30/187,988.49 = 35,361.81/x - Step 3: Cross multiply
125,318.30x = 187,988.49 × 35,361.81 - Step 4: Simplify right side
125,318.30x = 6,647,612,325.62 - Step 5: Solve for x
x = 6,647,612,325.62/125,318.30 - Step 6: Final answer
x = 53,045.82
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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.