Finding the Fourth Proportional to 256,736.24, 354,268.74 and 141,996.65
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Solution
The fourth proportional to 256,736.24, 354,268.74 and 141,996.65 is: 195,940.29
Step by Step Solution
- Step 1: Write the proportion equation
256,736.24 : 354,268.74 = 141,996.65 : x - Step 2: Convert to fraction form
256,736.24/354,268.74 = 141,996.65/x - Step 3: Cross multiply
256,736.24x = 354,268.74 × 141,996.65 - Step 4: Simplify right side
256,736.24x = 50,304,974,279.72 - Step 5: Solve for x
x = 50,304,974,279.72/256,736.24 - Step 6: Final answer
x = 195,940.29
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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.