Finding the Fourth Proportional to 331,451.24, 457,405.84 and 188,214.28
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Solution
The fourth proportional to 331,451.24, 457,405.84 and 188,214.28 is: 259,737.48
Step by Step Solution
- Step 1: Write the proportion equation
331,451.24 : 457,405.84 = 188,214.28 : x - Step 2: Convert to fraction form
331,451.24/457,405.84 = 188,214.28/x - Step 3: Cross multiply
331,451.24x = 457,405.84 × 188,214.28 - Step 4: Simplify right side
331,451.24x = 86,090,310,843.40 - Step 5: Solve for x
x = 86,090,310,843.40/331,451.24 - Step 6: Final answer
x = 259,737.48
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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.