Finding the Fourth Proportional to 445,497.31, 668,578.10 and 179,260.09
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Solution
The fourth proportional to 445,497.31, 668,578.10 and 179,260.09 is: 269,023.78
Step by Step Solution
- Step 1: Write the proportion equation
445,497.31 : 668,578.10 = 179,260.09 : x - Step 2: Convert to fraction form
445,497.31/668,578.10 = 179,260.09/x - Step 3: Cross multiply
445,497.31x = 668,578.10 × 179,260.09 - Step 4: Simplify right side
445,497.31x = 119,849,370,378.03 - Step 5: Solve for x
x = 119,849,370,378.03/445,497.31 - Step 6: Final answer
x = 269,023.78
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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.