Finding the Fourth Proportional to 164,914.68, 246,986.94 and 120,431.08
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Solution
The fourth proportional to 164,914.68, 246,986.94 and 120,431.08 is: 180,365.41
Step by Step Solution
- Step 1: Write the proportion equation
164,914.68 : 246,986.94 = 120,431.08 : x - Step 2: Convert to fraction form
164,914.68/246,986.94 = 120,431.08/x - Step 3: Cross multiply
164,914.68x = 246,986.94 × 120,431.08 - Step 4: Simplify right side
164,914.68x = 29,744,903,930.10 - Step 5: Solve for x
x = 29,744,903,930.10/164,914.68 - Step 6: Final answer
x = 180,365.41
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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.