Finding the Fourth Proportional to 173,319.81, 259,807.48 and 120,618.57
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Solution
The fourth proportional to 173,319.81, 259,807.48 and 120,618.57 is: 180,807.99
Step by Step Solution
- Step 1: Write the proportion equation
173,319.81 : 259,807.48 = 120,618.57 : x - Step 2: Convert to fraction form
173,319.81/259,807.48 = 120,618.57/x - Step 3: Cross multiply
173,319.81x = 259,807.48 × 120,618.57 - Step 4: Simplify right side
173,319.81x = 31,337,606,712.90 - Step 5: Solve for x
x = 31,337,606,712.90/173,319.81 - Step 6: Final answer
x = 180,807.99
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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.