Finding the Fourth Proportional to 351,484.75, 485,057.97 and 215,593.78
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Solution
The fourth proportional to 351,484.75, 485,057.97 and 215,593.78 is: 297,524.95
Step by Step Solution
- Step 1: Write the proportion equation
351,484.75 : 485,057.97 = 215,593.78 : x - Step 2: Convert to fraction form
351,484.75/485,057.97 = 215,593.78/x - Step 3: Cross multiply
351,484.75x = 485,057.97 × 215,593.78 - Step 4: Simplify right side
351,484.75x = 104,575,481,271.43 - Step 5: Solve for x
x = 104,575,481,271.43/351,484.75 - Step 6: Final answer
x = 297,524.95
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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.