Finding the Fourth Proportional to 239,163.62, 330,045.76 and 131,733.65
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Solution
The fourth proportional to 239,163.62, 330,045.76 and 131,733.65 is: 181,792.42
Step by Step Solution
- Step 1: Write the proportion equation
239,163.62 : 330,045.76 = 131,733.65 : x - Step 2: Convert to fraction form
239,163.62/330,045.76 = 131,733.65/x - Step 3: Cross multiply
239,163.62x = 330,045.76 × 131,733.65 - Step 4: Simplify right side
239,163.62x = 43,478,133,127.60 - Step 5: Solve for x
x = 43,478,133,127.60/239,163.62 - Step 6: Final answer
x = 181,792.42
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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.