Finding the Fourth Proportional to 134,765.84, 202,282.55 and 71,586.54
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Solution
The fourth proportional to 134,765.84, 202,282.55 and 71,586.54 is: 107,450.88
Step by Step Solution
- Step 1: Write the proportion equation
134,765.84 : 202,282.55 = 71,586.54 : x - Step 2: Convert to fraction form
134,765.84/202,282.55 = 71,586.54/x - Step 3: Cross multiply
134,765.84x = 202,282.55 × 71,586.54 - Step 4: Simplify right side
134,765.84x = 14,480,707,856.88 - Step 5: Solve for x
x = 14,480,707,856.88/134,765.84 - Step 6: Final answer
x = 107,450.88
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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.