Finding the Fourth Proportional to 475,938.68, 656,789.26 and 271,987.28
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Solution
The fourth proportional to 475,938.68, 656,789.26 and 271,987.28 is: 375,338.95
Step by Step Solution
- Step 1: Write the proportion equation
475,938.68 : 656,789.26 = 271,987.28 : x - Step 2: Convert to fraction form
475,938.68/656,789.26 = 271,987.28/x - Step 3: Cross multiply
475,938.68x = 656,789.26 × 271,987.28 - Step 4: Simplify right side
475,938.68x = 178,638,324,360.61 - Step 5: Solve for x
x = 178,638,324,360.61/475,938.68 - Step 6: Final answer
x = 375,338.95
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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.