Finding the Fourth Proportional to 331,569.70, 497,354.43 and 82,251.70
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Solution
The fourth proportional to 331,569.70, 497,354.43 and 82,251.70 is: 123,377.52
Step by Step Solution
- Step 1: Write the proportion equation
331,569.70 : 497,354.43 = 82,251.70 : x - Step 2: Convert to fraction form
331,569.70/497,354.43 = 82,251.70/x - Step 3: Cross multiply
331,569.70x = 497,354.43 × 82,251.70 - Step 4: Simplify right side
331,569.70x = 40,908,247,370.03 - Step 5: Solve for x
x = 40,908,247,370.03/331,569.70 - Step 6: Final answer
x = 123,377.52
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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.