Finding the Fourth Proportional to 205,655.20, 283,806.12 and 119,618.62
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Solution
The fourth proportional to 205,655.20, 283,806.12 and 119,618.62 is: 165,074.83
Step by Step Solution
- Step 1: Write the proportion equation
205,655.20 : 283,806.12 = 119,618.62 : x - Step 2: Convert to fraction form
205,655.20/283,806.12 = 119,618.62/x - Step 3: Cross multiply
205,655.20x = 283,806.12 × 119,618.62 - Step 4: Simplify right side
205,655.20x = 33,948,496,421.95 - Step 5: Solve for x
x = 33,948,496,421.95/205,655.20 - Step 6: Final answer
x = 165,074.83
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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.