Finding the Fourth Proportional to 251,860.65, 377,790.55 and 172,734.99
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Solution
The fourth proportional to 251,860.65, 377,790.55 and 172,734.99 is: 259,102.19
Step by Step Solution
- Step 1: Write the proportion equation
251,860.65 : 377,790.55 = 172,734.99 : x - Step 2: Convert to fraction form
251,860.65/377,790.55 = 172,734.99/x - Step 3: Cross multiply
251,860.65x = 377,790.55 × 172,734.99 - Step 4: Simplify right side
251,860.65x = 65,257,646,876.34 - Step 5: Solve for x
x = 65,257,646,876.34/251,860.65 - Step 6: Final answer
x = 259,102.19
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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.