Finding the Fourth Proportional to 332,371.73, 498,623.21 and 122,011.49
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Solution
The fourth proportional to 332,371.73, 498,623.21 and 122,011.49 is: 183,041.32
Step by Step Solution
- Step 1: Write the proportion equation
332,371.73 : 498,623.21 = 122,011.49 : x - Step 2: Convert to fraction form
332,371.73/498,623.21 = 122,011.49/x - Step 3: Cross multiply
332,371.73x = 498,623.21 × 122,011.49 - Step 4: Simplify right side
332,371.73x = 60,837,760,800.68 - Step 5: Solve for x
x = 60,837,760,800.68/332,371.73 - Step 6: Final answer
x = 183,041.32
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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.