Finding the Fourth Proportional to 266,231.28, 367,414.08 and 145,383.84
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Solution
The fourth proportional to 266,231.28, 367,414.08 and 145,383.84 is: 200,637.84
Step by Step Solution
- Step 1: Write the proportion equation
266,231.28 : 367,414.08 = 145,383.84 : x - Step 2: Convert to fraction form
266,231.28/367,414.08 = 145,383.84/x - Step 3: Cross multiply
266,231.28x = 367,414.08 × 145,383.84 - Step 4: Simplify right side
266,231.28x = 53,416,069,820.47 - Step 5: Solve for x
x = 53,416,069,820.47/266,231.28 - Step 6: Final answer
x = 200,637.84
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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.