Finding the Fourth Proportional to 94,246.76, 141,366.49 and 31,917.26
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Solution
The fourth proportional to 94,246.76, 141,366.49 and 31,917.26 is: 47,874.65
Step by Step Solution
- Step 1: Write the proportion equation
94,246.76 : 141,366.49 = 31,917.26 : x - Step 2: Convert to fraction form
94,246.76/141,366.49 = 31,917.26/x - Step 3: Cross multiply
94,246.76x = 141,366.49 × 31,917.26 - Step 4: Simplify right side
94,246.76x = 4,512,031,016.62 - Step 5: Solve for x
x = 4,512,031,016.62/94,246.76 - Step 6: Final answer
x = 47,874.65
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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.