Finding the Fourth Proportional to 338,874.23, 508,163.69 and 114,192.79
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Solution
The fourth proportional to 338,874.23, 508,163.69 and 114,192.79 is: 171,239.42
Step by Step Solution
- Step 1: Write the proportion equation
338,874.23 : 508,163.69 = 114,192.79 : x - Step 2: Convert to fraction form
338,874.23/508,163.69 = 114,192.79/x - Step 3: Cross multiply
338,874.23x = 508,163.69 × 114,192.79 - Step 4: Simplify right side
338,874.23x = 58,028,628,552.87 - Step 5: Solve for x
x = 58,028,628,552.87/338,874.23 - Step 6: Final answer
x = 171,239.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.