Finding the Fourth Proportional to 338,878.56, 467,708.48 and 188,024.16
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Solution
The fourth proportional to 338,878.56, 467,708.48 and 188,024.16 is: 259,504.45
Step by Step Solution
- Step 1: Write the proportion equation
338,878.56 : 467,708.48 = 188,024.16 : x - Step 2: Convert to fraction form
338,878.56/467,708.48 = 188,024.16/x - Step 3: Cross multiply
338,878.56x = 467,708.48 × 188,024.16 - Step 4: Simplify right side
338,878.56x = 87,940,494,076.88 - Step 5: Solve for x
x = 87,940,494,076.88/338,878.56 - Step 6: Final answer
x = 259,504.45
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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.