Finding the Fourth Proportional to 199,364.48, 275,122.76 and 108,720.62
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Solution
The fourth proportional to 199,364.48, 275,122.76 and 108,720.62 is: 150,034.33
Step by Step Solution
- Step 1: Write the proportion equation
199,364.48 : 275,122.76 = 108,720.62 : x - Step 2: Convert to fraction form
199,364.48/275,122.76 = 108,720.62/x - Step 3: Cross multiply
199,364.48x = 275,122.76 × 108,720.62 - Step 4: Simplify right side
199,364.48x = 29,911,517,043.31 - Step 5: Solve for x
x = 29,911,517,043.31/199,364.48 - Step 6: Final answer
x = 150,034.33
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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.