Finding the Fourth Proportional to 239,158.75, 330,038.68 and 131,736.05
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Solution
The fourth proportional to 239,158.75, 330,038.68 and 131,736.05 is: 181,795.53
Step by Step Solution
- Step 1: Write the proportion equation
239,158.75 : 330,038.68 = 131,736.05 : x - Step 2: Convert to fraction form
239,158.75/330,038.68 = 131,736.05/x - Step 3: Cross multiply
239,158.75x = 330,038.68 × 131,736.05 - Step 4: Simplify right side
239,158.75x = 43,477,992,050.41 - Step 5: Solve for x
x = 43,477,992,050.41/239,158.75 - Step 6: Final answer
x = 181,795.53
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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.