Finding the Fourth Proportional to 374,134.20, 561,201.30 and 368,229.30
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Solution
The fourth proportional to 374,134.20, 561,201.30 and 368,229.30 is: 552,343.95
Step by Step Solution
- Step 1: Write the proportion equation
374,134.20 : 561,201.30 = 368,229.30 : x - Step 2: Convert to fraction form
374,134.20/561,201.30 = 368,229.30/x - Step 3: Cross multiply
374,134.20x = 561,201.30 × 368,229.30 - Step 4: Simplify right side
374,134.20x = 206,650,761,858.09 - Step 5: Solve for x
x = 206,650,761,858.09/374,134.20 - Step 6: Final answer
x = 552,343.95
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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.