Finding the Fourth Proportional to 394,397.44, 544,379.88 and 233,308.42
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Solution
The fourth proportional to 394,397.44, 544,379.88 and 233,308.42 is: 322,031.53
Step by Step Solution
- Step 1: Write the proportion equation
394,397.44 : 544,379.88 = 233,308.42 : x - Step 2: Convert to fraction form
394,397.44/544,379.88 = 233,308.42/x - Step 3: Cross multiply
394,397.44x = 544,379.88 × 233,308.42 - Step 4: Simplify right side
394,397.44x = 127,008,409,682.59 - Step 5: Solve for x
x = 127,008,409,682.59/394,397.44 - Step 6: Final answer
x = 322,031.53
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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.