Finding the Fourth Proportional to 94,448.26, 141,638.36 and 31,256.70
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Solution
The fourth proportional to 94,448.26, 141,638.36 and 31,256.70 is: 46,873.79
Step by Step Solution
- Step 1: Write the proportion equation
94,448.26 : 141,638.36 = 31,256.70 : x - Step 2: Convert to fraction form
94,448.26/141,638.36 = 31,256.70/x - Step 3: Cross multiply
94,448.26x = 141,638.36 × 31,256.70 - Step 4: Simplify right side
94,448.26x = 4,427,147,727.01 - Step 5: Solve for x
x = 4,427,147,727.01/94,448.26 - Step 6: Final answer
x = 46,873.79
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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.