Finding the Fourth Proportional to 136,361.02, 204,415.23 and 69,654.02
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Solution
The fourth proportional to 136,361.02, 204,415.23 and 69,654.02 is: 104,416.52
Step by Step Solution
- Step 1: Write the proportion equation
136,361.02 : 204,415.23 = 69,654.02 : x - Step 2: Convert to fraction form
136,361.02/204,415.23 = 69,654.02/x - Step 3: Cross multiply
136,361.02x = 204,415.23 × 69,654.02 - Step 4: Simplify right side
136,361.02x = 14,238,342,518.72 - Step 5: Solve for x
x = 14,238,342,518.72/136,361.02 - Step 6: Final answer
x = 104,416.52
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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.