Finding the Fourth Proportional to 129,798.24, 194,618.52 and 50,817.84
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Solution
The fourth proportional to 129,798.24, 194,618.52 and 50,817.84 is: 76,195.89
Step by Step Solution
- Step 1: Write the proportion equation
129,798.24 : 194,618.52 = 50,817.84 : x - Step 2: Convert to fraction form
129,798.24/194,618.52 = 50,817.84/x - Step 3: Cross multiply
129,798.24x = 194,618.52 × 50,817.84 - Step 4: Simplify right side
129,798.24x = 9,890,092,810.40 - Step 5: Solve for x
x = 9,890,092,810.40/129,798.24 - Step 6: Final answer
x = 76,195.89
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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.