Finding the Fourth Proportional to 383,206.62, 528,799.62 and 222,032.92
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Solution
The fourth proportional to 383,206.62, 528,799.62 and 222,032.92 is: 306,390.65
Step by Step Solution
- Step 1: Write the proportion equation
383,206.62 : 528,799.62 = 222,032.92 : x - Step 2: Convert to fraction form
383,206.62/528,799.62 = 222,032.92/x - Step 3: Cross multiply
383,206.62x = 528,799.62 × 222,032.92 - Step 4: Simplify right side
383,206.62x = 117,410,923,723.49 - Step 5: Solve for x
x = 117,410,923,723.49/383,206.62 - Step 6: Final answer
x = 306,390.65
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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.