Finding the Fourth Proportional to 486,614.49, 671,541.44 and 271,768.47
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Solution
The fourth proportional to 486,614.49, 671,541.44 and 271,768.47 is: 375,047.99
Step by Step Solution
- Step 1: Write the proportion equation
486,614.49 : 671,541.44 = 271,768.47 : x - Step 2: Convert to fraction form
486,614.49/671,541.44 = 271,768.47/x - Step 3: Cross multiply
486,614.49x = 671,541.44 × 271,768.47 - Step 4: Simplify right side
486,614.49x = 182,503,785,813.27 - Step 5: Solve for x
x = 182,503,785,813.27/486,614.49 - Step 6: Final answer
x = 375,047.99
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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.