Finding the Fourth Proportional to 421,777.44, 632,619.36 and 106,234.32
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Solution
The fourth proportional to 421,777.44, 632,619.36 and 106,234.32 is: 159,339.69
Step by Step Solution
- Step 1: Write the proportion equation
421,777.44 : 632,619.36 = 106,234.32 : x - Step 2: Convert to fraction form
421,777.44/632,619.36 = 106,234.32/x - Step 3: Cross multiply
421,777.44x = 632,619.36 × 106,234.32 - Step 4: Simplify right side
421,777.44x = 67,205,887,528.44 - Step 5: Solve for x
x = 67,205,887,528.44/421,777.44 - Step 6: Final answer
x = 159,339.69
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.