Finding the Fourth Proportional to 394,611.67, 544,430.86 and 224,725.51
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Solution
The fourth proportional to 394,611.67, 544,430.86 and 224,725.51 is: 310,045.32
Step by Step Solution
- Step 1: Write the proportion equation
394,611.67 : 544,430.86 = 224,725.51 : x - Step 2: Convert to fraction form
394,611.67/544,430.86 = 224,725.51/x - Step 3: Cross multiply
394,611.67x = 544,430.86 × 224,725.51 - Step 4: Simplify right side
394,611.67x = 122,347,502,673.24 - Step 5: Solve for x
x = 122,347,502,673.24/394,611.67 - Step 6: Final answer
x = 310,045.32
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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.