Finding the Fourth Proportional to 505,879.44, 758,877.48 and 168,964.80
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Solution
The fourth proportional to 505,879.44, 758,877.48 and 168,964.80 is: 253,466.68
Step by Step Solution
- Step 1: Write the proportion equation
505,879.44 : 758,877.48 = 168,964.80 : x - Step 2: Convert to fraction form
505,879.44/758,877.48 = 168,964.80/x - Step 3: Cross multiply
505,879.44x = 758,877.48 × 168,964.80 - Step 4: Simplify right side
505,879.44x = 128,223,581,632.70 - Step 5: Solve for x
x = 128,223,581,632.70/505,879.44 - Step 6: Final answer
x = 253,466.68
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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.