Finding the Fourth Proportional to 361,128.11, 541,396.59 and 136,361.00
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Solution
The fourth proportional to 361,128.11, 541,396.59 and 136,361.00 is: 204,429.89
Step by Step Solution
- Step 1: Write the proportion equation
361,128.11 : 541,396.59 = 136,361.00 : x - Step 2: Convert to fraction form
361,128.11/541,396.59 = 136,361.00/x - Step 3: Cross multiply
361,128.11x = 541,396.59 × 136,361.00 - Step 4: Simplify right side
361,128.11x = 73,825,377,702.01 - Step 5: Solve for x
x = 73,825,377,702.01/361,128.11 - Step 6: Final answer
x = 204,429.89
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.