Finding the Fourth Proportional to 338,652.21, 467,361.02 and 187,749.21
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Solution
The fourth proportional to 338,652.21, 467,361.02 and 187,749.21 is: 259,105.54
Step by Step Solution
- Step 1: Write the proportion equation
338,652.21 : 467,361.02 = 187,749.21 : x - Step 2: Convert to fraction form
338,652.21/467,361.02 = 187,749.21/x - Step 3: Cross multiply
338,652.21x = 467,361.02 × 187,749.21 - Step 4: Simplify right side
338,652.21x = 87,746,662,289.79 - Step 5: Solve for x
x = 87,746,662,289.79/338,652.21 - Step 6: Final answer
x = 259,105.54
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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.