Finding the Fourth Proportional to 272,207.22, 408,044.74 and 122,485.20
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Solution
The fourth proportional to 272,207.22, 408,044.74 and 122,485.20 is: 183,608.07
Step by Step Solution
- Step 1: Write the proportion equation
272,207.22 : 408,044.74 = 122,485.20 : x - Step 2: Convert to fraction form
272,207.22/408,044.74 = 122,485.20/x - Step 3: Cross multiply
272,207.22x = 408,044.74 × 122,485.20 - Step 4: Simplify right side
272,207.22x = 49,979,441,587.85 - Step 5: Solve for x
x = 49,979,441,587.85/272,207.22 - Step 6: Final answer
x = 183,608.07
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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.