Finding the Fourth Proportional to 331,546.19, 497,410.70 and 132,006.71
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Solution
The fourth proportional to 331,546.19, 497,410.70 and 132,006.71 is: 198,046.45
Step by Step Solution
- Step 1: Write the proportion equation
331,546.19 : 497,410.70 = 132,006.71 : x - Step 2: Convert to fraction form
331,546.19/497,410.70 = 132,006.71/x - Step 3: Cross multiply
331,546.19x = 497,410.70 × 132,006.71 - Step 4: Simplify right side
331,546.19x = 65,661,546,878.71 - Step 5: Solve for x
x = 65,661,546,878.71/331,546.19 - Step 6: Final answer
x = 198,046.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.