Finding the Fourth Proportional to 269,716.86, 372,095.84 and 189,196.99
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Solution
The fourth proportional to 269,716.86, 372,095.84 and 189,196.99 is: 261,012.28
Step by Step Solution
- Step 1: Write the proportion equation
269,716.86 : 372,095.84 = 189,196.99 : x - Step 2: Convert to fraction form
269,716.86/372,095.84 = 189,196.99/x - Step 3: Cross multiply
269,716.86x = 372,095.84 × 189,196.99 - Step 4: Simplify right side
269,716.86x = 70,399,412,462.27 - Step 5: Solve for x
x = 70,399,412,462.27/269,716.86 - Step 6: Final answer
x = 261,012.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.