Finding the Fourth Proportional to 159,615.68, 239,276.48 and 54,361.44
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Solution
The fourth proportional to 159,615.68, 239,276.48 and 54,361.44 is: 81,492.08
Step by Step Solution
- Step 1: Write the proportion equation
159,615.68 : 239,276.48 = 54,361.44 : x - Step 2: Convert to fraction form
159,615.68/239,276.48 = 54,361.44/x - Step 3: Cross multiply
159,615.68x = 239,276.48 × 54,361.44 - Step 4: Simplify right side
159,615.68x = 13,007,413,739.12 - Step 5: Solve for x
x = 13,007,413,739.12/159,615.68 - Step 6: Final answer
x = 81,492.08
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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.