Finding the Fourth Proportional to 394,294.28, 544,131.30 and 224,529.08
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Solution
The fourth proportional to 394,294.28, 544,131.30 and 224,529.08 is: 309,853.09
Step by Step Solution
- Step 1: Write the proportion equation
394,294.28 : 544,131.30 = 224,529.08 : x - Step 2: Convert to fraction form
394,294.28/544,131.30 = 224,529.08/x - Step 3: Cross multiply
394,294.28x = 544,131.30 × 224,529.08 - Step 4: Simplify right side
394,294.28x = 122,173,300,188.20 - Step 5: Solve for x
x = 122,173,300,188.20/394,294.28 - Step 6: Final answer
x = 309,853.09
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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.