Finding the Fourth Proportional to 150,406.99, 207,566.64 and 82,424.09
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Solution
The fourth proportional to 150,406.99, 207,566.64 and 82,424.09 is: 113,747.99
Step by Step Solution
- Step 1: Write the proportion equation
150,406.99 : 207,566.64 = 82,424.09 : x - Step 2: Convert to fraction form
150,406.99/207,566.64 = 82,424.09/x - Step 3: Cross multiply
150,406.99x = 207,566.64 × 82,424.09 - Step 4: Simplify right side
150,406.99x = 17,108,491,935.27 - Step 5: Solve for x
x = 17,108,491,935.27/150,406.99 - Step 6: Final answer
x = 113,747.99
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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.