Finding the Fourth Proportional to 394,858.15, 544,904.29 and 213,570.09
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Solution
The fourth proportional to 394,858.15, 544,904.29 and 213,570.09 is: 294,726.75
Step by Step Solution
- Step 1: Write the proportion equation
394,858.15 : 544,904.29 = 213,570.09 : x - Step 2: Convert to fraction form
394,858.15/544,904.29 = 213,570.09/x - Step 3: Cross multiply
394,858.15x = 544,904.29 × 213,570.09 - Step 4: Simplify right side
394,858.15x = 116,375,258,256.69 - Step 5: Solve for x
x = 116,375,258,256.69/394,858.15 - Step 6: Final answer
x = 294,726.75
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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.