Finding the Fourth Proportional to 328,451.75, 453,263.75 and 192,458.62
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Solution
The fourth proportional to 328,451.75, 453,263.75 and 192,458.62 is: 265,593.09
Step by Step Solution
- Step 1: Write the proportion equation
328,451.75 : 453,263.75 = 192,458.62 : x - Step 2: Convert to fraction form
328,451.75/453,263.75 = 192,458.62/x - Step 3: Cross multiply
328,451.75x = 453,263.75 × 192,458.62 - Step 4: Simplify right side
328,451.75x = 87,234,515,821.03 - Step 5: Solve for x
x = 87,234,515,821.03/328,451.75 - Step 6: Final answer
x = 265,593.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.