Finding the Fourth Proportional to 486,770.99, 671,743.93 and 271,911.05
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Solution
The fourth proportional to 486,770.99, 671,743.93 and 271,911.05 is: 375,237.23
Step by Step Solution
- Step 1: Write the proportion equation
486,770.99 : 671,743.93 = 271,911.05 : x - Step 2: Convert to fraction form
486,770.99/671,743.93 = 271,911.05/x - Step 3: Cross multiply
486,770.99x = 671,743.93 × 271,911.05 - Step 4: Simplify right side
486,770.99x = 182,654,598,337.01 - Step 5: Solve for x
x = 182,654,598,337.01/486,770.99 - Step 6: Final answer
x = 375,237.23
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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.