Finding the Fourth Proportional to 84,378.36, 126,469.14 and 46,920.48
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Solution
The fourth proportional to 84,378.36, 126,469.14 and 46,920.48 is: 70,326.00
Step by Step Solution
- Step 1: Write the proportion equation
84,378.36 : 126,469.14 = 46,920.48 : x - Step 2: Convert to fraction form
84,378.36/126,469.14 = 46,920.48/x - Step 3: Cross multiply
84,378.36x = 126,469.14 × 46,920.48 - Step 4: Simplify right side
84,378.36x = 5,933,992,753.99 - Step 5: Solve for x
x = 5,933,992,753.99/84,378.36 - Step 6: Final answer
x = 70,326.00
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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.