Finding the Fourth Proportional to 331,507.63, 457,481.13 and 188,267.65
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Solution
The fourth proportional to 331,507.63, 457,481.13 and 188,267.65 is: 259,809.70
Step by Step Solution
- Step 1: Write the proportion equation
331,507.63 : 457,481.13 = 188,267.65 : x - Step 2: Convert to fraction form
331,507.63/457,481.13 = 188,267.65/x - Step 3: Cross multiply
331,507.63x = 457,481.13 × 188,267.65 - Step 4: Simplify right side
331,507.63x = 86,128,897,264.44 - Step 5: Solve for x
x = 86,128,897,264.44/331,507.63 - Step 6: Final answer
x = 259,809.70
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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.