Finding the Fourth Proportional to 129,954.57, 194,938.74 and 41,215.02
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Solution
The fourth proportional to 129,954.57, 194,938.74 and 41,215.02 is: 61,824.71
Step by Step Solution
- Step 1: Write the proportion equation
129,954.57 : 194,938.74 = 41,215.02 : x - Step 2: Convert to fraction form
129,954.57/194,938.74 = 41,215.02/x - Step 3: Cross multiply
129,954.57x = 194,938.74 × 41,215.02 - Step 4: Simplify right side
129,954.57x = 8,034,404,067.87 - Step 5: Solve for x
x = 8,034,404,067.87/129,954.57 - Step 6: Final answer
x = 61,824.71
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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.