Finding the Fourth Proportional to 272,241.92, 408,222.12 and 122,354.12
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Solution
The fourth proportional to 272,241.92, 408,222.12 and 122,354.12 is: 183,467.92
Step by Step Solution
- Step 1: Write the proportion equation
272,241.92 : 408,222.12 = 122,354.12 : x - Step 2: Convert to fraction form
272,241.92/408,222.12 = 122,354.12/x - Step 3: Cross multiply
272,241.92x = 408,222.12 × 122,354.12 - Step 4: Simplify right side
272,241.92x = 49,947,658,257.13 - Step 5: Solve for x
x = 49,947,658,257.13/272,241.92 - Step 6: Final answer
x = 183,467.92
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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.