Finding the Fourth Proportional to 433,891.23, 649,715.40 and 299,370.09
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Solution
The fourth proportional to 433,891.23, 649,715.40 and 299,370.09 is: 448,281.38
Step by Step Solution
- Step 1: Write the proportion equation
433,891.23 : 649,715.40 = 299,370.09 : x - Step 2: Convert to fraction form
433,891.23/649,715.40 = 299,370.09/x - Step 3: Cross multiply
433,891.23x = 649,715.40 × 299,370.09 - Step 4: Simplify right side
433,891.23x = 194,505,357,772.39 - Step 5: Solve for x
x = 194,505,357,772.39/433,891.23 - Step 6: Final answer
x = 448,281.38
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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.