Finding the Fourth Proportional to 299,423.44, 449,369.79 and 208,877.19
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Solution
The fourth proportional to 299,423.44, 449,369.79 and 208,877.19 is: 313,479.46
Step by Step Solution
- Step 1: Write the proportion equation
299,423.44 : 449,369.79 = 208,877.19 : x - Step 2: Convert to fraction form
299,423.44/449,369.79 = 208,877.19/x - Step 3: Cross multiply
299,423.44x = 449,369.79 × 208,877.19 - Step 4: Simplify right side
299,423.44x = 93,863,099,006.09 - Step 5: Solve for x
x = 93,863,099,006.09/299,423.44 - Step 6: Final answer
x = 313,479.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.