Finding the Fourth Proportional to 225,324.75, 310,945.59 and 123,348.99
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Solution
The fourth proportional to 225,324.75, 310,945.59 and 123,348.99 is: 170,220.20
Step by Step Solution
- Step 1: Write the proportion equation
225,324.75 : 310,945.59 = 123,348.99 : x - Step 2: Convert to fraction form
225,324.75/310,945.59 = 123,348.99/x - Step 3: Cross multiply
225,324.75x = 310,945.59 × 123,348.99 - Step 4: Simplify right side
225,324.75x = 38,354,824,471.45 - Step 5: Solve for x
x = 38,354,824,471.45/225,324.75 - Step 6: Final answer
x = 170,220.20
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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.