Finding the Fourth Proportional to 251,860.40, 377,790.18 and 172,734.74
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Solution
The fourth proportional to 251,860.40, 377,790.18 and 172,734.74 is: 259,101.82
Step by Step Solution
- Step 1: Write the proportion equation
251,860.40 : 377,790.18 = 172,734.74 : x - Step 2: Convert to fraction form
251,860.40/377,790.18 = 172,734.74/x - Step 3: Cross multiply
251,860.40x = 377,790.18 × 172,734.74 - Step 4: Simplify right side
251,860.40x = 65,257,486,627.90 - Step 5: Solve for x
x = 65,257,486,627.90/251,860.40 - Step 6: Final answer
x = 259,101.82
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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.