Finding the Fourth Proportional to 331,273.08, 457,107.84 and 188,005.68
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Solution
The fourth proportional to 331,273.08, 457,107.84 and 188,005.68 is: 259,420.02
Step by Step Solution
- Step 1: Write the proportion equation
331,273.08 : 457,107.84 = 188,005.68 : x - Step 2: Convert to fraction form
331,273.08/457,107.84 = 188,005.68/x - Step 3: Cross multiply
331,273.08x = 457,107.84 × 188,005.68 - Step 4: Simplify right side
331,273.08x = 85,938,870,292.53 - Step 5: Solve for x
x = 85,938,870,292.53/331,273.08 - Step 6: Final answer
x = 259,420.02
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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.