Finding the Fourth Proportional to 486,108.92, 670,730.16 and 279,337.37
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Solution
The fourth proportional to 486,108.92, 670,730.16 and 279,337.37 is: 385,428.02
Step by Step Solution
- Step 1: Write the proportion equation
486,108.92 : 670,730.16 = 279,337.37 : x - Step 2: Convert to fraction form
486,108.92/670,730.16 = 279,337.37/x - Step 3: Cross multiply
486,108.92x = 670,730.16 × 279,337.37 - Step 4: Simplify right side
486,108.92x = 187,359,998,874.08 - Step 5: Solve for x
x = 187,359,998,874.08/486,108.92 - Step 6: Final answer
x = 385,428.02
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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.