Finding the Fourth Proportional to 150,349.05, 207,472.97 and 82,354.19
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Solution
The fourth proportional to 150,349.05, 207,472.97 and 82,354.19 is: 113,644.00
Step by Step Solution
- Step 1: Write the proportion equation
150,349.05 : 207,472.97 = 82,354.19 : x - Step 2: Convert to fraction form
150,349.05/207,472.97 = 82,354.19/x - Step 3: Cross multiply
150,349.05x = 207,472.97 × 82,354.19 - Step 4: Simplify right side
150,349.05x = 17,086,266,942.11 - Step 5: Solve for x
x = 17,086,266,942.11/150,349.05 - Step 6: Final answer
x = 113,644.00
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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.