Finding the Fourth Proportional to 235,998.84, 325,676.70 and 128,568.84
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Solution
The fourth proportional to 235,998.84, 325,676.70 and 128,568.84 is: 177,424.07
Step by Step Solution
- Step 1: Write the proportion equation
235,998.84 : 325,676.70 = 128,568.84 : x - Step 2: Convert to fraction form
235,998.84/325,676.70 = 128,568.84/x - Step 3: Cross multiply
235,998.84x = 325,676.70 × 128,568.84 - Step 4: Simplify right side
235,998.84x = 41,871,875,534.03 - Step 5: Solve for x
x = 41,871,875,534.03/235,998.84 - Step 6: Final answer
x = 177,424.07
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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.