Finding the Fourth Proportional to 283,714.80, 391,402.32 and 186,793.62
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Solution
The fourth proportional to 283,714.80, 391,402.32 and 186,793.62 is: 257,693.49
Step by Step Solution
- Step 1: Write the proportion equation
283,714.80 : 391,402.32 = 186,793.62 : x - Step 2: Convert to fraction form
283,714.80/391,402.32 = 186,793.62/x - Step 3: Cross multiply
283,714.80x = 391,402.32 × 186,793.62 - Step 4: Simplify right side
283,714.80x = 73,111,456,229.20 - Step 5: Solve for x
x = 73,111,456,229.20/283,714.80 - Step 6: Final answer
x = 257,693.49
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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.