Finding the Fourth Proportional to 394,874.57, 544,924.86 and 213,586.31
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Solution
The fourth proportional to 394,874.57, 544,924.86 and 213,586.31 is: 294,748.00
Step by Step Solution
- Step 1: Write the proportion equation
394,874.57 : 544,924.86 = 213,586.31 : x - Step 2: Convert to fraction form
394,874.57/544,924.86 = 213,586.31/x - Step 3: Cross multiply
394,874.57x = 544,924.86 × 213,586.31 - Step 4: Simplify right side
394,874.57x = 116,388,490,074.67 - Step 5: Solve for x
x = 116,388,490,074.67/394,874.57 - Step 6: Final answer
x = 294,748.00
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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.