Finding the Fourth Proportional to 320,266.76, 441,949.23 and 177,018.26
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Solution
The fourth proportional to 320,266.76, 441,949.23 and 177,018.26 is: 244,274.75
Step by Step Solution
- Step 1: Write the proportion equation
320,266.76 : 441,949.23 = 177,018.26 : x - Step 2: Convert to fraction form
320,266.76/441,949.23 = 177,018.26/x - Step 3: Cross multiply
320,266.76x = 441,949.23 × 177,018.26 - Step 4: Simplify right side
320,266.76x = 78,233,081,493.19 - Step 5: Solve for x
x = 78,233,081,493.19/320,266.76 - Step 6: Final answer
x = 244,274.75
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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.