Finding the Fourth Proportional to 199,610.88, 275,451.28 and 108,948.84
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Solution
The fourth proportional to 199,610.88, 275,451.28 and 108,948.84 is: 150,342.99
Step by Step Solution
- Step 1: Write the proportion equation
199,610.88 : 275,451.28 = 108,948.84 : x - Step 2: Convert to fraction form
199,610.88/275,451.28 = 108,948.84/x - Step 3: Cross multiply
199,610.88x = 275,451.28 × 108,948.84 - Step 4: Simplify right side
199,610.88x = 30,010,097,432.52 - Step 5: Solve for x
x = 30,010,097,432.52/199,610.88 - Step 6: Final answer
x = 150,342.99
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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.