Finding the Fourth Proportional to 143,247.92, 214,576.64 and 83,903.68
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Solution
The fourth proportional to 143,247.92, 214,576.64 and 83,903.68 is: 125,682.58
Step by Step Solution
- Step 1: Write the proportion equation
143,247.92 : 214,576.64 = 83,903.68 : x - Step 2: Convert to fraction form
143,247.92/214,576.64 = 83,903.68/x - Step 3: Cross multiply
143,247.92x = 214,576.64 × 83,903.68 - Step 4: Simplify right side
143,247.92x = 18,003,768,245.63 - Step 5: Solve for x
x = 18,003,768,245.63/143,247.92 - Step 6: Final answer
x = 125,682.58
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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.