Finding the Fourth Proportional to 199,811.88, 275,732.24 and 109,170.99
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Solution
The fourth proportional to 199,811.88, 275,732.24 and 109,170.99 is: 150,651.51
Step by Step Solution
- Step 1: Write the proportion equation
199,811.88 : 275,732.24 = 109,170.99 : x - Step 2: Convert to fraction form
199,811.88/275,732.24 = 109,170.99/x - Step 3: Cross multiply
199,811.88x = 275,732.24 × 109,170.99 - Step 4: Simplify right side
199,811.88x = 30,101,961,069.86 - Step 5: Solve for x
x = 30,101,961,069.86/199,811.88 - Step 6: Final answer
x = 150,651.51
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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.