Finding the Fourth Proportional to 161,471.20, 242,137.68 and 50,671.84
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Solution
The fourth proportional to 161,471.20, 242,137.68 and 50,671.84 is: 75,986.07
Step by Step Solution
- Step 1: Write the proportion equation
161,471.20 : 242,137.68 = 50,671.84 : x - Step 2: Convert to fraction form
161,471.20/242,137.68 = 50,671.84/x - Step 3: Cross multiply
161,471.20x = 242,137.68 × 50,671.84 - Step 4: Simplify right side
161,471.20x = 12,269,561,778.93 - Step 5: Solve for x
x = 12,269,561,778.93/161,471.20 - Step 6: Final answer
x = 75,986.07
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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.