Finding the Fourth Proportional to 394,455.42, 544,215.51 and 224,569.26
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Solution
The fourth proportional to 394,455.42, 544,215.51 and 224,569.26 is: 309,829.88
Step by Step Solution
- Step 1: Write the proportion equation
394,455.42 : 544,215.51 = 224,569.26 : x - Step 2: Convert to fraction form
394,455.42/544,215.51 = 224,569.26/x - Step 3: Cross multiply
394,455.42x = 544,215.51 × 224,569.26 - Step 4: Simplify right side
394,455.42x = 122,214,074,361.22 - Step 5: Solve for x
x = 122,214,074,361.22/394,455.42 - Step 6: Final answer
x = 309,829.88
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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.