Finding the Fourth Proportional to 266,034.87, 367,129.13 and 145,178.82
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Solution
The fourth proportional to 266,034.87, 367,129.13 and 145,178.82 is: 200,347.32
Step by Step Solution
- Step 1: Write the proportion equation
266,034.87 : 367,129.13 = 145,178.82 : x - Step 2: Convert to fraction form
266,034.87/367,129.13 = 145,178.82/x - Step 3: Cross multiply
266,034.87x = 367,129.13 × 145,178.82 - Step 4: Simplify right side
266,034.87x = 53,299,373,155.13 - Step 5: Solve for x
x = 53,299,373,155.13/266,034.87 - Step 6: Final answer
x = 200,347.32
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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.