Finding the Fourth Proportional to 147,639.24, 221,285.52 and 68,586.84
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Solution
The fourth proportional to 147,639.24, 221,285.52 and 68,586.84 is: 102,799.73
Step by Step Solution
- Step 1: Write the proportion equation
147,639.24 : 221,285.52 = 68,586.84 : x - Step 2: Convert to fraction form
147,639.24/221,285.52 = 68,586.84/x - Step 3: Cross multiply
147,639.24x = 221,285.52 × 68,586.84 - Step 4: Simplify right side
147,639.24x = 15,177,274,554.56 - Step 5: Solve for x
x = 15,177,274,554.56/147,639.24 - Step 6: Final answer
x = 102,799.73
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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.