Finding the Fourth Proportional to 486,387.23, 671,187.24 and 271,541.13
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Solution
The fourth proportional to 486,387.23, 671,187.24 and 271,541.13 is: 374,711.61
Step by Step Solution
- Step 1: Write the proportion equation
486,387.23 : 671,187.24 = 271,541.13 : x - Step 2: Convert to fraction form
486,387.23/671,187.24 = 271,541.13/x - Step 3: Cross multiply
486,387.23x = 671,187.24 × 271,541.13 - Step 4: Simplify right side
486,387.23x = 182,254,941,591.18 - Step 5: Solve for x
x = 182,254,941,591.18/486,387.23 - Step 6: Final answer
x = 374,711.61
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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.