Finding the Fourth Proportional to 239,163.75, 330,045.93 and 131,733.78
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Solution
The fourth proportional to 239,163.75, 330,045.93 and 131,733.78 is: 181,792.59
Step by Step Solution
- Step 1: Write the proportion equation
239,163.75 : 330,045.93 = 131,733.78 : x - Step 2: Convert to fraction form
239,163.75/330,045.93 = 131,733.78/x - Step 3: Cross multiply
239,163.75x = 330,045.93 × 131,733.78 - Step 4: Simplify right side
239,163.75x = 43,478,197,932.52 - Step 5: Solve for x
x = 43,478,197,932.52/239,163.75 - Step 6: Final answer
x = 181,792.59
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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.