Finding the Fourth Proportional to 619,674.97, 929,232.07 and 220,326.38
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Solution
The fourth proportional to 619,674.97, 929,232.07 and 220,326.38 is: 330,389.88
Step by Step Solution
- Step 1: Write the proportion equation
619,674.97 : 929,232.07 = 220,326.38 : x - Step 2: Convert to fraction form
619,674.97/929,232.07 = 220,326.38/x - Step 3: Cross multiply
619,674.97x = 929,232.07 × 220,326.38 - Step 4: Simplify right side
619,674.97x = 204,734,338,163.01 - Step 5: Solve for x
x = 204,734,338,163.01/619,674.97 - Step 6: Final answer
x = 330,389.88
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1.5x scale
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.