Finding the Fourth Proportional to 475,788.20, 656,584.68 and 271,901.48
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Solution
The fourth proportional to 475,788.20, 656,584.68 and 271,901.48 is: 375,222.31
Step by Step Solution
- Step 1: Write the proportion equation
475,788.20 : 656,584.68 = 271,901.48 : x - Step 2: Convert to fraction form
475,788.20/656,584.68 = 271,901.48/x - Step 3: Cross multiply
475,788.20x = 656,584.68 × 271,901.48 - Step 4: Simplify right side
475,788.20x = 178,526,343,974.03 - Step 5: Solve for x
x = 178,526,343,974.03/475,788.20 - Step 6: Final answer
x = 375,222.31
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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.