Finding the Fourth Proportional to 99,889.97, 149,784.80 and 33,306.53
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Solution
The fourth proportional to 99,889.97, 149,784.80 and 33,306.53 is: 49,943.07
Step by Step Solution
- Step 1: Write the proportion equation
99,889.97 : 149,784.80 = 33,306.53 : x - Step 2: Convert to fraction form
99,889.97/149,784.80 = 33,306.53/x - Step 3: Cross multiply
99,889.97x = 149,784.80 × 33,306.53 - Step 4: Simplify right side
99,889.97x = 4,988,811,768.21 - Step 5: Solve for x
x = 4,988,811,768.21/99,889.97 - Step 6: Final answer
x = 49,943.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.