Finding the Fourth Proportional to 352,823.60, 486,882.60 and 209,579.84
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Solution
The fourth proportional to 352,823.60, 486,882.60 and 209,579.84 is: 289,211.88
Step by Step Solution
- Step 1: Write the proportion equation
352,823.60 : 486,882.60 = 209,579.84 : x - Step 2: Convert to fraction form
352,823.60/486,882.60 = 209,579.84/x - Step 3: Cross multiply
352,823.60x = 486,882.60 × 209,579.84 - Step 4: Simplify right side
352,823.60x = 102,040,777,406.78 - Step 5: Solve for x
x = 102,040,777,406.78/352,823.60 - Step 6: Final answer
x = 289,211.88
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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.