Finding the Fourth Proportional to 84,262.23, 126,392.99 and 34,331.19
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Solution
The fourth proportional to 84,262.23, 126,392.99 and 34,331.19 is: 51,496.64
Step by Step Solution
- Step 1: Write the proportion equation
84,262.23 : 126,392.99 = 34,331.19 : x - Step 2: Convert to fraction form
84,262.23/126,392.99 = 34,331.19/x - Step 3: Cross multiply
84,262.23x = 126,392.99 × 34,331.19 - Step 4: Simplify right side
84,262.23x = 4,339,221,582.70 - Step 5: Solve for x
x = 4,339,221,582.70/84,262.23 - Step 6: Final answer
x = 51,496.64
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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.