Finding the Fourth Proportional to 239,395.56, 330,361.74 and 131,975.58
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Solution
The fourth proportional to 239,395.56, 330,361.74 and 131,975.58 is: 182,124.02
Step by Step Solution
- Step 1: Write the proportion equation
239,395.56 : 330,361.74 = 131,975.58 : x - Step 2: Convert to fraction form
239,395.56/330,361.74 = 131,975.58/x - Step 3: Cross multiply
239,395.56x = 330,361.74 × 131,975.58 - Step 4: Simplify right side
239,395.56x = 43,599,682,246.31 - Step 5: Solve for x
x = 43,599,682,246.31/239,395.56 - Step 6: Final answer
x = 182,124.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.