Finding the Fourth Proportional to 84,336.75, 126,395.37 and 34,358.31
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Solution
The fourth proportional to 84,336.75, 126,395.37 and 34,358.31 is: 51,492.75
Step by Step Solution
- Step 1: Write the proportion equation
84,336.75 : 126,395.37 = 34,358.31 : x - Step 2: Convert to fraction form
84,336.75/126,395.37 = 34,358.31/x - Step 3: Cross multiply
84,336.75x = 126,395.37 × 34,358.31 - Step 4: Simplify right side
84,336.75x = 4,342,731,305.02 - Step 5: Solve for x
x = 4,342,731,305.02/84,336.75 - Step 6: Final answer
x = 51,492.75
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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.