Finding the Fourth Proportional to 199,854.36, 275,814.75 and 113,816.99
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Solution
The fourth proportional to 199,854.36, 275,814.75 and 113,816.99 is: 157,076.40
Step by Step Solution
- Step 1: Write the proportion equation
199,854.36 : 275,814.75 = 113,816.99 : x - Step 2: Convert to fraction form
199,854.36/275,814.75 = 113,816.99/x - Step 3: Cross multiply
199,854.36x = 275,814.75 × 113,816.99 - Step 4: Simplify right side
199,854.36x = 31,392,402,694.44 - Step 5: Solve for x
x = 31,392,402,694.44/199,854.36 - Step 6: Final answer
x = 157,076.40
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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.