Finding the Fourth Proportional to 581,689.26, 872,063.21 and 261,606.71
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Solution
The fourth proportional to 581,689.26, 872,063.21 and 261,606.71 is: 392,198.39
Step by Step Solution
- Step 1: Write the proportion equation
581,689.26 : 872,063.21 = 261,606.71 : x - Step 2: Convert to fraction form
581,689.26/872,063.21 = 261,606.71/x - Step 3: Cross multiply
581,689.26x = 872,063.21 × 261,606.71 - Step 4: Simplify right side
581,689.26x = 228,137,590,114.31 - Step 5: Solve for x
x = 228,137,590,114.31/581,689.26 - Step 6: Final answer
x = 392,198.39
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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.