Finding the Fourth Proportional to 235,491.14, 324,979.94 and 128,062.19
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Solution
The fourth proportional to 235,491.14, 324,979.94 and 128,062.19 is: 176,727.00
Step by Step Solution
- Step 1: Write the proportion equation
235,491.14 : 324,979.94 = 128,062.19 : x - Step 2: Convert to fraction form
235,491.14/324,979.94 = 128,062.19/x - Step 3: Cross multiply
235,491.14x = 324,979.94 × 128,062.19 - Step 4: Simplify right side
235,491.14x = 41,617,641,517.72 - Step 5: Solve for x
x = 41,617,641,517.72/235,491.14 - Step 6: Final answer
x = 176,727.00
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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.