Finding the Fourth Proportional to 398,338.98, 597,685.11 and 208,754.28
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Solution
The fourth proportional to 398,338.98, 597,685.11 and 208,754.28 is: 313,223.99
Step by Step Solution
- Step 1: Write the proportion equation
398,338.98 : 597,685.11 = 208,754.28 : x - Step 2: Convert to fraction form
398,338.98/597,685.11 = 208,754.28/x - Step 3: Cross multiply
398,338.98x = 597,685.11 × 208,754.28 - Step 4: Simplify right side
398,338.98x = 124,769,324,804.77 - Step 5: Solve for x
x = 124,769,324,804.77/398,338.98 - Step 6: Final answer
x = 313,223.99
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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.