Finding the Fourth Proportional to 324,945.64, 447,428.10 and 284,432.68
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Solution
The fourth proportional to 324,945.64, 447,428.10 and 284,432.68 is: 391,644.50
Step by Step Solution
- Step 1: Write the proportion equation
324,945.64 : 447,428.10 = 284,432.68 : x - Step 2: Convert to fraction form
324,945.64/447,428.10 = 284,432.68/x - Step 3: Cross multiply
324,945.64x = 447,428.10 × 284,432.68 - Step 4: Simplify right side
324,945.64x = 127,263,173,590.31 - Step 5: Solve for x
x = 127,263,173,590.31/324,945.64 - Step 6: Final answer
x = 391,644.50
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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.