Finding the Fourth Proportional to 225,958.24, 338,939.76 and 68,188.08
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Solution
The fourth proportional to 225,958.24, 338,939.76 and 68,188.08 is: 102,282.84
Step by Step Solution
- Step 1: Write the proportion equation
225,958.24 : 338,939.76 = 68,188.08 : x - Step 2: Convert to fraction form
225,958.24/338,939.76 = 68,188.08/x - Step 3: Cross multiply
225,958.24x = 338,939.76 × 68,188.08 - Step 4: Simplify right side
225,958.24x = 23,111,651,470.06 - Step 5: Solve for x
x = 23,111,651,470.06/225,958.24 - Step 6: Final answer
x = 102,282.84
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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.