Finding the Fourth Proportional to 634,258.22, 951,241.75 and 378,163.26
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Solution
The fourth proportional to 634,258.22, 951,241.75 and 378,163.26 is: 567,158.09
Step by Step Solution
- Step 1: Write the proportion equation
634,258.22 : 951,241.75 = 378,163.26 : x - Step 2: Convert to fraction form
634,258.22/951,241.75 = 378,163.26/x - Step 3: Cross multiply
634,258.22x = 951,241.75 × 378,163.26 - Step 4: Simplify right side
634,258.22x = 359,724,681,228.11 - Step 5: Solve for x
x = 359,724,681,228.11/634,258.22 - Step 6: Final answer
x = 567,158.09
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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.