Finding the Fourth Proportional to 239,226.82, 330,133.12 and 131,795.91
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Solution
The fourth proportional to 239,226.82, 330,133.12 and 131,795.91 is: 181,878.42
Step by Step Solution
- Step 1: Write the proportion equation
239,226.82 : 330,133.12 = 131,795.91 : x - Step 2: Convert to fraction form
239,226.82/330,133.12 = 131,795.91/x - Step 3: Cross multiply
239,226.82x = 330,133.12 × 131,795.91 - Step 4: Simplify right side
239,226.82x = 43,510,194,642.05 - Step 5: Solve for x
x = 43,510,194,642.05/239,226.82 - Step 6: Final answer
x = 181,878.42
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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.