Finding the Fourth Proportional to 300,367.63, 450,706.76 and 132,006.09
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Solution
The fourth proportional to 300,367.63, 450,706.76 and 132,006.09 is: 198,077.39
Step by Step Solution
- Step 1: Write the proportion equation
300,367.63 : 450,706.76 = 132,006.09 : x - Step 2: Convert to fraction form
300,367.63/450,706.76 = 132,006.09/x - Step 3: Cross multiply
300,367.63x = 450,706.76 × 132,006.09 - Step 4: Simplify right side
300,367.63x = 59,496,037,124.17 - Step 5: Solve for x
x = 59,496,037,124.17/300,367.63 - Step 6: Final answer
x = 198,077.39
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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.