Finding the Fourth Proportional to 235,683.76, 325,250.49 and 128,260.75
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Solution
The fourth proportional to 235,683.76, 325,250.49 and 128,260.75 is: 177,003.59
Step by Step Solution
- Step 1: Write the proportion equation
235,683.76 : 325,250.49 = 128,260.75 : x - Step 2: Convert to fraction form
235,683.76/325,250.49 = 128,260.75/x - Step 3: Cross multiply
235,683.76x = 325,250.49 × 128,260.75 - Step 4: Simplify right side
235,683.76x = 41,716,871,785.27 - Step 5: Solve for x
x = 41,716,871,785.27/235,683.76 - Step 6: Final answer
x = 177,003.59
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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.