Finding the Fourth Proportional to 235,358.78, 324,797.07 and 127,928.79
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Solution
The fourth proportional to 235,358.78, 324,797.07 and 127,928.79 is: 176,542.80
Step by Step Solution
- Step 1: Write the proportion equation
235,358.78 : 324,797.07 = 127,928.79 : x - Step 2: Convert to fraction form
235,358.78/324,797.07 = 127,928.79/x - Step 3: Cross multiply
235,358.78x = 324,797.07 × 127,928.79 - Step 4: Simplify right side
235,358.78x = 41,550,896,160.65 - Step 5: Solve for x
x = 41,550,896,160.65/235,358.78 - Step 6: Final answer
x = 176,542.80
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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.