Finding the Fourth Proportional to 161,469.20, 242,134.68 and 50,669.84
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Solution
The fourth proportional to 161,469.20, 242,134.68 and 50,669.84 is: 75,983.07
Step by Step Solution
- Step 1: Write the proportion equation
161,469.20 : 242,134.68 = 50,669.84 : x - Step 2: Convert to fraction form
161,469.20/242,134.68 = 50,669.84/x - Step 3: Cross multiply
161,469.20x = 242,134.68 × 50,669.84 - Step 4: Simplify right side
161,469.20x = 12,268,925,494.05 - Step 5: Solve for x
x = 12,268,925,494.05/161,469.20 - Step 6: Final answer
x = 75,983.07
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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.