Finding the Fourth Proportional to 143,768.09, 215,748.12 and 50,273.84
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Solution
The fourth proportional to 143,768.09, 215,748.12 and 50,273.84 is: 75,444.32
Step by Step Solution
- Step 1: Write the proportion equation
143,768.09 : 215,748.12 = 50,273.84 : x - Step 2: Convert to fraction form
143,768.09/215,748.12 = 50,273.84/x - Step 3: Cross multiply
143,768.09x = 215,748.12 × 50,273.84 - Step 4: Simplify right side
143,768.09x = 10,846,486,465.18 - Step 5: Solve for x
x = 10,846,486,465.18/143,768.09 - Step 6: Final answer
x = 75,444.32
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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.