Finding the Fourth Proportional to 478,190.37, 659,704.66 and 284,559.31
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Solution
The fourth proportional to 478,190.37, 659,704.66 and 284,559.31 is: 392,573.99
Step by Step Solution
- Step 1: Write the proportion equation
478,190.37 : 659,704.66 = 284,559.31 : x - Step 2: Convert to fraction form
478,190.37/659,704.66 = 284,559.31/x - Step 3: Cross multiply
478,190.37x = 659,704.66 × 284,559.31 - Step 4: Simplify right side
478,190.37x = 187,725,102,853.39 - Step 5: Solve for x
x = 187,725,102,853.39/478,190.37 - Step 6: Final answer
x = 392,573.99
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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.