Finding the Fourth Proportional to 150,195.73, 207,270.42 and 82,217.05
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Solution
The fourth proportional to 150,195.73, 207,270.42 and 82,217.05 is: 113,459.70
Step by Step Solution
- Step 1: Write the proportion equation
150,195.73 : 207,270.42 = 82,217.05 : x - Step 2: Convert to fraction form
150,195.73/207,270.42 = 82,217.05/x - Step 3: Cross multiply
150,195.73x = 207,270.42 × 82,217.05 - Step 4: Simplify right side
150,195.73x = 17,041,162,484.66 - Step 5: Solve for x
x = 17,041,162,484.66/150,195.73 - Step 6: Final answer
x = 113,459.70
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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.