Finding the Fourth Proportional to 173,628.28, 260,173.08 and 120,424.06
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Solution
The fourth proportional to 173,628.28, 260,173.08 and 120,424.06 is: 180,449.28
Step by Step Solution
- Step 1: Write the proportion equation
173,628.28 : 260,173.08 = 120,424.06 : x - Step 2: Convert to fraction form
173,628.28/260,173.08 = 120,424.06/x - Step 3: Cross multiply
173,628.28x = 260,173.08 × 120,424.06 - Step 4: Simplify right side
173,628.28x = 31,331,098,596.30 - Step 5: Solve for x
x = 31,331,098,596.30/173,628.28 - Step 6: Final answer
x = 180,449.28
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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.