Finding the Fourth Proportional to 104,361.68, 156,534.21 and 29,478.80
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Solution
The fourth proportional to 104,361.68, 156,534.21 and 29,478.80 is: 44,215.85
Step by Step Solution
- Step 1: Write the proportion equation
104,361.68 : 156,534.21 = 29,478.80 : x - Step 2: Convert to fraction form
104,361.68/156,534.21 = 29,478.80/x - Step 3: Cross multiply
104,361.68x = 156,534.21 × 29,478.80 - Step 4: Simplify right side
104,361.68x = 4,614,439,887.08 - Step 5: Solve for x
x = 4,614,439,887.08/104,361.68 - Step 6: Final answer
x = 44,215.85
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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.