Finding the Fourth Proportional to 256,382.01, 353,738.75 and 143,202.33
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Solution
The fourth proportional to 256,382.01, 353,738.75 and 143,202.33 is: 197,580.99
Step by Step Solution
- Step 1: Write the proportion equation
256,382.01 : 353,738.75 = 143,202.33 : x - Step 2: Convert to fraction form
256,382.01/353,738.75 = 143,202.33/x - Step 3: Cross multiply
256,382.01x = 353,738.75 × 143,202.33 - Step 4: Simplify right side
256,382.01x = 50,656,212,495.28 - Step 5: Solve for x
x = 50,656,212,495.28/256,382.01 - Step 6: Final answer
x = 197,580.99
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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.