Finding the Fourth Proportional to 266,028.11, 367,126.59 and 145,177.19
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Solution
The fourth proportional to 266,028.11, 367,126.59 and 145,177.19 is: 200,348.79
Step by Step Solution
- Step 1: Write the proportion equation
266,028.11 : 367,126.59 = 145,177.19 : x - Step 2: Convert to fraction form
266,028.11/367,126.59 = 145,177.19/x - Step 3: Cross multiply
266,028.11x = 367,126.59 × 145,177.19 - Step 4: Simplify right side
266,028.11x = 53,298,407,713.80 - Step 5: Solve for x
x = 53,298,407,713.80/266,028.11 - Step 6: Final answer
x = 200,348.79
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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.