Finding the Fourth Proportional to 263,201.21, 363,221.21 and 148,479.50
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Solution
The fourth proportional to 263,201.21, 363,221.21 and 148,479.50 is: 204,903.71
Step by Step Solution
- Step 1: Write the proportion equation
263,201.21 : 363,221.21 = 148,479.50 : x - Step 2: Convert to fraction form
263,201.21/363,221.21 = 148,479.50/x - Step 3: Cross multiply
263,201.21x = 363,221.21 × 148,479.50 - Step 4: Simplify right side
263,201.21x = 53,930,904,094.25 - Step 5: Solve for x
x = 53,930,904,094.25/263,201.21 - Step 6: Final answer
x = 204,903.71
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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.