Finding the Fourth Proportional to 328,299.36, 492,449.58 and 187,960.92
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Solution
The fourth proportional to 328,299.36, 492,449.58 and 187,960.92 is: 281,941.69
Step by Step Solution
- Step 1: Write the proportion equation
328,299.36 : 492,449.58 = 187,960.92 : x - Step 2: Convert to fraction form
328,299.36/492,449.58 = 187,960.92/x - Step 3: Cross multiply
328,299.36x = 492,449.58 × 187,960.92 - Step 4: Simplify right side
328,299.36x = 92,561,276,110.41 - Step 5: Solve for x
x = 92,561,276,110.41/328,299.36 - Step 6: Final answer
x = 281,941.69
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1.5x scale
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.