Finding the Fourth Proportional to 394,550.34, 544,478.40 and 224,785.68
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Solution
The fourth proportional to 394,550.34, 544,478.40 and 224,785.68 is: 310,203.63
Step by Step Solution
- Step 1: Write the proportion equation
394,550.34 : 544,478.40 = 224,785.68 : x - Step 2: Convert to fraction form
394,550.34/544,478.40 = 224,785.68/x - Step 3: Cross multiply
394,550.34x = 544,478.40 × 224,785.68 - Step 4: Simplify right side
394,550.34x = 122,390,947,389.31 - Step 5: Solve for x
x = 122,390,947,389.31/394,550.34 - Step 6: Final answer
x = 310,203.63
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1.5x scale
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.