Finding the Fourth Proportional to 264,879.30, 397,367.81 and 87,398.58
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Solution
The fourth proportional to 264,879.30, 397,367.81 and 87,398.58 is: 131,113.99
Step by Step Solution
- Step 1: Write the proportion equation
264,879.30 : 397,367.81 = 87,398.58 : x - Step 2: Convert to fraction form
264,879.30/397,367.81 = 87,398.58/x - Step 3: Cross multiply
264,879.30x = 397,367.81 × 87,398.58 - Step 4: Simplify right side
264,879.30x = 34,729,382,331.71 - Step 5: Solve for x
x = 34,729,382,331.71/264,879.30 - Step 6: Final answer
x = 131,113.99
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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.