Finding the Fourth Proportional to 324,298.08, 447,489.36 and 211,273.92
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Solution
The fourth proportional to 324,298.08, 447,489.36 and 211,273.92 is: 291,530.65
Step by Step Solution
- Step 1: Write the proportion equation
324,298.08 : 447,489.36 = 211,273.92 : x - Step 2: Convert to fraction form
324,298.08/447,489.36 = 211,273.92/x - Step 3: Cross multiply
324,298.08x = 447,489.36 × 211,273.92 - Step 4: Simplify right side
324,298.08x = 94,542,831,245.49 - Step 5: Solve for x
x = 94,542,831,245.49/324,298.08 - Step 6: Final answer
x = 291,530.65
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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.