Finding the Fourth Proportional to 659,866.68, 989,787.87 and 210,583.98
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Solution
The fourth proportional to 659,866.68, 989,787.87 and 210,583.98 is: 315,872.09
Step by Step Solution
- Step 1: Write the proportion equation
659,866.68 : 989,787.87 = 210,583.98 : x - Step 2: Convert to fraction form
659,866.68/989,787.87 = 210,583.98/x - Step 3: Cross multiply
659,866.68x = 989,787.87 × 210,583.98 - Step 4: Simplify right side
659,866.68x = 208,433,469,020.32 - Step 5: Solve for x
x = 208,433,469,020.32/659,866.68 - Step 6: Final answer
x = 315,872.09
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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.