Finding the Fourth Proportional to 374,135.22, 561,057.25 and 121,354.58
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Solution
The fourth proportional to 374,135.22, 561,057.25 and 121,354.58 is: 181,984.65
Step by Step Solution
- Step 1: Write the proportion equation
374,135.22 : 561,057.25 = 121,354.58 : x - Step 2: Convert to fraction form
374,135.22/561,057.25 = 121,354.58/x - Step 3: Cross multiply
374,135.22x = 561,057.25 × 121,354.58 - Step 4: Simplify right side
374,135.22x = 68,086,866,934.51 - Step 5: Solve for x
x = 68,086,866,934.51/374,135.22 - Step 6: Final answer
x = 181,984.65
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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.