Finding the Fourth Proportional to 382,453.08, 573,657.60 and 145,819.68
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Solution
The fourth proportional to 382,453.08, 573,657.60 and 145,819.68 is: 218,721.12
Step by Step Solution
- Step 1: Write the proportion equation
382,453.08 : 573,657.60 = 145,819.68 : x - Step 2: Convert to fraction form
382,453.08/573,657.60 = 145,819.68/x - Step 3: Cross multiply
382,453.08x = 573,657.60 × 145,819.68 - Step 4: Simplify right side
382,453.08x = 83,650,567,661.57 - Step 5: Solve for x
x = 83,650,567,661.57/382,453.08 - Step 6: Final answer
x = 218,721.12
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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.