Finding the Fourth Proportional to 320,550.24, 442,331.78 and 177,274.62
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Solution
The fourth proportional to 320,550.24, 442,331.78 and 177,274.62 is: 244,623.74
Step by Step Solution
- Step 1: Write the proportion equation
320,550.24 : 442,331.78 = 177,274.62 : x - Step 2: Convert to fraction form
320,550.24/442,331.78 = 177,274.62/x - Step 3: Cross multiply
320,550.24x = 442,331.78 × 177,274.62 - Step 4: Simplify right side
320,550.24x = 78,414,197,327.05 - Step 5: Solve for x
x = 78,414,197,327.05/320,550.24 - Step 6: Final answer
x = 244,623.74
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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.