Finding the Fourth Proportional to 338,719.97, 467,454.57 and 187,816.97
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Solution
The fourth proportional to 338,719.97, 467,454.57 and 187,816.97 is: 259,199.07
Step by Step Solution
- Step 1: Write the proportion equation
338,719.97 : 467,454.57 = 187,816.97 : x - Step 2: Convert to fraction form
338,719.97/467,454.57 = 187,816.97/x - Step 3: Cross multiply
338,719.97x = 467,454.57 × 187,816.97 - Step 4: Simplify right side
338,719.97x = 87,795,900,950.05 - Step 5: Solve for x
x = 87,795,900,950.05/338,719.97 - Step 6: Final answer
x = 259,199.07
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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.