Finding the Fourth Proportional to 225,659.91, 338,497.16 and 67,889.73
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Solution
The fourth proportional to 225,659.91, 338,497.16 and 67,889.73 is: 101,836.79
Step by Step Solution
- Step 1: Write the proportion equation
225,659.91 : 338,497.16 = 67,889.73 : x - Step 2: Convert to fraction form
225,659.91/338,497.16 = 67,889.73/x - Step 3: Cross multiply
225,659.91x = 338,497.16 × 67,889.73 - Step 4: Simplify right side
225,659.91x = 22,980,480,458.72 - Step 5: Solve for x
x = 22,980,480,458.72/225,659.91 - Step 6: Final answer
x = 101,836.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.