Finding the Fourth Proportional to 324,415.08, 447,691.34 and 179,220.91
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Solution
The fourth proportional to 324,415.08, 447,691.34 and 179,220.91 is: 247,324.03
Step by Step Solution
- Step 1: Write the proportion equation
324,415.08 : 447,691.34 = 179,220.91 : x - Step 2: Convert to fraction form
324,415.08/447,691.34 = 179,220.91/x - Step 3: Cross multiply
324,415.08x = 447,691.34 × 179,220.91 - Step 4: Simplify right side
324,415.08x = 80,235,646,219.36 - Step 5: Solve for x
x = 80,235,646,219.36/324,415.08 - Step 6: Final answer
x = 247,324.03
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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.