Finding the Fourth Proportional to 454,676.13, 627,427.26 and 282,589.68
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Solution
The fourth proportional to 454,676.13, 627,427.26 and 282,589.68 is: 389,957.72
Step by Step Solution
- Step 1: Write the proportion equation
454,676.13 : 627,427.26 = 282,589.68 : x - Step 2: Convert to fraction form
454,676.13/627,427.26 = 282,589.68/x - Step 3: Cross multiply
454,676.13x = 627,427.26 × 282,589.68 - Step 4: Simplify right side
454,676.13x = 177,304,468,626.68 - Step 5: Solve for x
x = 177,304,468,626.68/454,676.13 - Step 6: Final answer
x = 389,957.72
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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.