Finding the Fourth Proportional to 286,576.74, 395,353.20 and 178,959.96
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Solution
The fourth proportional to 286,576.74, 395,353.20 and 178,959.96 is: 246,888.12
Step by Step Solution
- Step 1: Write the proportion equation
286,576.74 : 395,353.20 = 178,959.96 : x - Step 2: Convert to fraction form
286,576.74/395,353.20 = 178,959.96/x - Step 3: Cross multiply
286,576.74x = 395,353.20 × 178,959.96 - Step 4: Simplify right side
286,576.74x = 70,752,392,857.87 - Step 5: Solve for x
x = 70,752,392,857.87/286,576.74 - Step 6: Final answer
x = 246,888.12
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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.