Finding the Fourth Proportional to 328,474.38, 492,558.36 and 170,660.46
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Solution
The fourth proportional to 328,474.38, 492,558.36 and 170,660.46 is: 255,911.09
Step by Step Solution
- Step 1: Write the proportion equation
328,474.38 : 492,558.36 = 170,660.46 : x - Step 2: Convert to fraction form
328,474.38/492,558.36 = 170,660.46/x - Step 3: Cross multiply
328,474.38x = 492,558.36 × 170,660.46 - Step 4: Simplify right side
328,474.38x = 84,060,236,294.45 - Step 5: Solve for x
x = 84,060,236,294.45/328,474.38 - Step 6: Final answer
x = 255,911.09
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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.