Finding the Fourth Proportional to 114,635.88, 158,197.42 and 66,879.98
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Solution
The fourth proportional to 114,635.88, 158,197.42 and 66,879.98 is: 92,294.32
Step by Step Solution
- Step 1: Write the proportion equation
114,635.88 : 158,197.42 = 66,879.98 : x - Step 2: Convert to fraction form
114,635.88/158,197.42 = 66,879.98/x - Step 3: Cross multiply
114,635.88x = 158,197.42 × 66,879.98 - Step 4: Simplify right side
114,635.88x = 10,580,240,285.65 - Step 5: Solve for x
x = 10,580,240,285.65/114,635.88 - Step 6: Final answer
x = 92,294.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.