Finding the Fourth Proportional to 307,361.92, 461,124.96 and 97,003.84
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Solution
The fourth proportional to 307,361.92, 461,124.96 and 97,003.84 is: 145,531.66
Step by Step Solution
- Step 1: Write the proportion equation
307,361.92 : 461,124.96 = 97,003.84 : x - Step 2: Convert to fraction form
307,361.92/461,124.96 = 97,003.84/x - Step 3: Cross multiply
307,361.92x = 461,124.96 × 97,003.84 - Step 4: Simplify right side
307,361.92x = 44,730,891,839.85 - Step 5: Solve for x
x = 44,730,891,839.85/307,361.92 - Step 6: Final answer
x = 145,531.66
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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.