Finding the Fourth Proportional to 743,207.82, 1,114,854.12 and 210,687
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Solution
The fourth proportional to 743,207.82, 1,114,854.12 and 210,687 is: 316,042.52
Step by Step Solution
- Step 1: Write the proportion equation
743,207.82 : 1,114,854.12 = 210,687 : x - Step 2: Convert to fraction form
743,207.82/1,114,854.12 = 210,687/x - Step 3: Cross multiply
743,207.82x = 1,114,854.12 × 210,687 - Step 4: Simplify right side
743,207.82x = 234,885,269,980.44 - Step 5: Solve for x
x = 234,885,269,980.44/743,207.82 - Step 6: Final answer
x = 316,042.52
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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.