Finding the Fourth Proportional to 394,491.42, 544,265.19 and 224,605.26
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Solution
The fourth proportional to 394,491.42, 544,265.19 and 224,605.26 is: 309,879.55
Step by Step Solution
- Step 1: Write the proportion equation
394,491.42 : 544,265.19 = 224,605.26 : x - Step 2: Convert to fraction form
394,491.42/544,265.19 = 224,605.26/x - Step 3: Cross multiply
394,491.42x = 544,265.19 × 224,605.26 - Step 4: Simplify right side
394,491.42x = 122,244,824,508.90 - Step 5: Solve for x
x = 122,244,824,508.90/394,491.42 - Step 6: Final answer
x = 309,879.55
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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.