Finding the Fourth Proportional to 190,149.84, 285,207.64 and 57,059.80
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Solution
The fourth proportional to 190,149.84, 285,207.64 and 57,059.80 is: 85,584.56
Step by Step Solution
- Step 1: Write the proportion equation
190,149.84 : 285,207.64 = 57,059.80 : x - Step 2: Convert to fraction form
190,149.84/285,207.64 = 57,059.80/x - Step 3: Cross multiply
190,149.84x = 285,207.64 × 57,059.80 - Step 4: Simplify right side
190,149.84x = 16,273,890,896.87 - Step 5: Solve for x
x = 16,273,890,896.87/190,149.84 - Step 6: Final answer
x = 85,584.56
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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.