Finding the Fourth Proportional to 199,610.07, 299,571.53 and 139,245.92
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Solution
The fourth proportional to 199,610.07, 299,571.53 and 139,245.92 is: 208,977.99
Step by Step Solution
- Step 1: Write the proportion equation
199,610.07 : 299,571.53 = 139,245.92 : x - Step 2: Convert to fraction form
199,610.07/299,571.53 = 139,245.92/x - Step 3: Cross multiply
199,610.07x = 299,571.53 × 139,245.92 - Step 4: Simplify right side
199,610.07x = 41,714,111,106.57 - Step 5: Solve for x
x = 41,714,111,106.57/199,610.07 - Step 6: Final answer
x = 208,977.99
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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.