Finding the Fourth Proportional to 320,693.48, 442,550.76 and 177,453.62
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Solution
The fourth proportional to 320,693.48, 442,550.76 and 177,453.62 is: 244,882.54
Step by Step Solution
- Step 1: Write the proportion equation
320,693.48 : 442,550.76 = 177,453.62 : x - Step 2: Convert to fraction form
320,693.48/442,550.76 = 177,453.62/x - Step 3: Cross multiply
320,693.48x = 442,550.76 × 177,453.62 - Step 4: Simplify right side
320,693.48x = 78,532,234,395.75 - Step 5: Solve for x
x = 78,532,234,395.75/320,693.48 - Step 6: Final answer
x = 244,882.54
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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.