Finding the Fourth Proportional to 266,077.09, 367,187.68 and 145,221.19
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Solution
The fourth proportional to 266,077.09, 367,187.68 and 145,221.19 is: 200,405.95
Step by Step Solution
- Step 1: Write the proportion equation
266,077.09 : 367,187.68 = 145,221.19 : x - Step 2: Convert to fraction form
266,077.09/367,187.68 = 145,221.19/x - Step 3: Cross multiply
266,077.09x = 367,187.68 × 145,221.19 - Step 4: Simplify right side
266,077.09x = 53,323,431,106.50 - Step 5: Solve for x
x = 53,323,431,106.50/266,077.09 - Step 6: Final answer
x = 200,405.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.