Finding the Fourth Proportional to 412,377.20, 569,120.52 and 231,119.84
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Solution
The fourth proportional to 412,377.20, 569,120.52 and 231,119.84 is: 318,967.79
Step by Step Solution
- Step 1: Write the proportion equation
412,377.20 : 569,120.52 = 231,119.84 : x - Step 2: Convert to fraction form
412,377.20/569,120.52 = 231,119.84/x - Step 3: Cross multiply
412,377.20x = 569,120.52 × 231,119.84 - Step 4: Simplify right side
412,377.20x = 131,535,043,523.12 - Step 5: Solve for x
x = 131,535,043,523.12/412,377.20 - Step 6: Final answer
x = 318,967.79
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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.