Finding the Fourth Proportional to 142,563.28, 213,842.68 and 49,069.84
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Solution
The fourth proportional to 142,563.28, 213,842.68 and 49,069.84 is: 73,603.99
Step by Step Solution
- Step 1: Write the proportion equation
142,563.28 : 213,842.68 = 49,069.84 : x - Step 2: Convert to fraction form
142,563.28/213,842.68 = 49,069.84/x - Step 3: Cross multiply
142,563.28x = 213,842.68 × 49,069.84 - Step 4: Simplify right side
142,563.28x = 10,493,226,092.77 - Step 5: Solve for x
x = 10,493,226,092.77/142,563.28 - Step 6: Final answer
x = 73,603.99
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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.