Finding the Fourth Proportional to 388,704.88, 536,229.44 and 227,461.02
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Solution
The fourth proportional to 388,704.88, 536,229.44 and 227,461.02 is: 313,788.95
Step by Step Solution
- Step 1: Write the proportion equation
388,704.88 : 536,229.44 = 227,461.02 : x - Step 2: Convert to fraction form
388,704.88/536,229.44 = 227,461.02/x - Step 3: Cross multiply
388,704.88x = 536,229.44 × 227,461.02 - Step 4: Simplify right side
388,704.88x = 121,971,295,376.43 - Step 5: Solve for x
x = 121,971,295,376.43/388,704.88 - Step 6: Final answer
x = 313,788.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.