Finding the Fourth Proportional to 286,040.11, 394,735.35 and 158,736.19
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Solution
The fourth proportional to 286,040.11, 394,735.35 and 158,736.19 is: 219,055.94
Step by Step Solution
- Step 1: Write the proportion equation
286,040.11 : 394,735.35 = 158,736.19 : x - Step 2: Convert to fraction form
286,040.11/394,735.35 = 158,736.19/x - Step 3: Cross multiply
286,040.11x = 394,735.35 × 158,736.19 - Step 4: Simplify right side
286,040.11x = 62,658,785,419.42 - Step 5: Solve for x
x = 62,658,785,419.42/286,040.11 - Step 6: Final answer
x = 219,055.94
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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.