Finding the Fourth Proportional to 324,871.27, 448,142.36 and 188,890.19
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Solution
The fourth proportional to 324,871.27, 448,142.36 and 188,890.19 is: 260,563.81
Step by Step Solution
- Step 1: Write the proportion equation
324,871.27 : 448,142.36 = 188,890.19 : x - Step 2: Convert to fraction form
324,871.27/448,142.36 = 188,890.19/x - Step 3: Cross multiply
324,871.27x = 448,142.36 × 188,890.19 - Step 4: Simplify right side
324,871.27x = 84,649,693,758.96 - Step 5: Solve for x
x = 84,649,693,758.96/324,871.27 - Step 6: Final answer
x = 260,563.81
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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.