Finding the Fourth Proportional to 286,169.36, 394,833.69 and 178,848.41
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Solution
The fourth proportional to 286,169.36, 394,833.69 and 178,848.41 is: 246,760.79
Step by Step Solution
- Step 1: Write the proportion equation
286,169.36 : 394,833.69 = 178,848.41 : x - Step 2: Convert to fraction form
286,169.36/394,833.69 = 178,848.41/x - Step 3: Cross multiply
286,169.36x = 394,833.69 × 178,848.41 - Step 4: Simplify right side
286,169.36x = 70,615,375,696.76 - Step 5: Solve for x
x = 70,615,375,696.76/286,169.36 - Step 6: Final answer
x = 246,760.79
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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.