Finding the Fourth Proportional to 192,169.12, 288,260.16 and 51,928.96
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Solution
The fourth proportional to 192,169.12, 288,260.16 and 51,928.96 is: 77,895.19
Step by Step Solution
- Step 1: Write the proportion equation
192,169.12 : 288,260.16 = 51,928.96 : x - Step 2: Convert to fraction form
192,169.12/288,260.16 = 51,928.96/x - Step 3: Cross multiply
192,169.12x = 288,260.16 × 51,928.96 - Step 4: Simplify right side
192,169.12x = 14,969,050,318.23 - Step 5: Solve for x
x = 14,969,050,318.23/192,169.12 - Step 6: Final answer
x = 77,895.19
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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.