Finding the Fourth Proportional to 433,476.63, 649,937.97 and 208,389.18
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Solution
The fourth proportional to 433,476.63, 649,937.97 and 208,389.18 is: 312,450.62
Step by Step Solution
- Step 1: Write the proportion equation
433,476.63 : 649,937.97 = 208,389.18 : x - Step 2: Convert to fraction form
433,476.63/649,937.97 = 208,389.18/x - Step 3: Cross multiply
433,476.63x = 649,937.97 × 208,389.18 - Step 4: Simplify right side
433,476.63x = 135,440,040,619.17 - Step 5: Solve for x
x = 135,440,040,619.17/433,476.63 - Step 6: Final answer
x = 312,450.62
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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.