Finding the Fourth Proportional to 691,204.05, 1,036,806.08 and 192,568.05
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Solution
The fourth proportional to 691,204.05, 1,036,806.08 and 192,568.05 is: 288,852.08
Step by Step Solution
- Step 1: Write the proportion equation
691,204.05 : 1,036,806.08 = 192,568.05 : x - Step 2: Convert to fraction form
691,204.05/1,036,806.08 = 192,568.05/x - Step 3: Cross multiply
691,204.05x = 1,036,806.08 × 192,568.05 - Step 4: Simplify right side
691,204.05x = 199,655,724,090.90 - Step 5: Solve for x
x = 199,655,724,090.90/691,204.05 - Step 6: Final answer
x = 288,852.08
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.