Finding the Fourth Proportional to 68,248.26, 102,372.66 and 20,863.17
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Solution
The fourth proportional to 68,248.26, 102,372.66 and 20,863.17 is: 31,294.84
Step by Step Solution
- Step 1: Write the proportion equation
68,248.26 : 102,372.66 = 20,863.17 : x - Step 2: Convert to fraction form
68,248.26/102,372.66 = 20,863.17/x - Step 3: Cross multiply
68,248.26x = 102,372.66 × 20,863.17 - Step 4: Simplify right side
68,248.26x = 2,135,818,208.93 - Step 5: Solve for x
x = 2,135,818,208.93/68,248.26 - Step 6: Final answer
x = 31,294.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.