Finding the Fourth Proportional to 328,201.44, 492,306.06 and 91,529.70
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Solution
The fourth proportional to 328,201.44, 492,306.06 and 91,529.70 is: 137,295.64
Step by Step Solution
- Step 1: Write the proportion equation
328,201.44 : 492,306.06 = 91,529.70 : x - Step 2: Convert to fraction form
328,201.44/492,306.06 = 91,529.70/x - Step 3: Cross multiply
328,201.44x = 492,306.06 × 91,529.70 - Step 4: Simplify right side
328,201.44x = 45,060,625,979.98 - Step 5: Solve for x
x = 45,060,625,979.98/328,201.44 - Step 6: Final answer
x = 137,295.64
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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.