Finding the Fourth Proportional to 272,206.22, 408,043.24 and 122,484.20
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Solution
The fourth proportional to 272,206.22, 408,043.24 and 122,484.20 is: 183,606.56
Step by Step Solution
- Step 1: Write the proportion equation
272,206.22 : 408,043.24 = 122,484.20 : x - Step 2: Convert to fraction form
272,206.22/408,043.24 = 122,484.20/x - Step 3: Cross multiply
272,206.22x = 408,043.24 × 122,484.20 - Step 4: Simplify right side
272,206.22x = 49,978,847,470.38 - Step 5: Solve for x
x = 49,978,847,470.38/272,206.22 - Step 6: Final answer
x = 183,606.56
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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.