Finding the Fourth Proportional to 179,286.26, 247,415.02 and 99,798.26
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Solution
The fourth proportional to 179,286.26, 247,415.02 and 99,798.26 is: 137,721.59
Step by Step Solution
- Step 1: Write the proportion equation
179,286.26 : 247,415.02 = 99,798.26 : x - Step 2: Convert to fraction form
179,286.26/247,415.02 = 99,798.26/x - Step 3: Cross multiply
179,286.26x = 247,415.02 × 99,798.26 - Step 4: Simplify right side
179,286.26x = 24,691,588,493.87 - Step 5: Solve for x
x = 24,691,588,493.87/179,286.26 - Step 6: Final answer
x = 137,721.59
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1.5x scale
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.