Finding the Fourth Proportional to 214,974.13, 322,461.19 and 74,732.75
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Solution
The fourth proportional to 214,974.13, 322,461.19 and 74,732.75 is: 112,099.12
Step by Step Solution
- Step 1: Write the proportion equation
214,974.13 : 322,461.19 = 74,732.75 : x - Step 2: Convert to fraction form
214,974.13/322,461.19 = 74,732.75/x - Step 3: Cross multiply
214,974.13x = 322,461.19 × 74,732.75 - Step 4: Simplify right side
214,974.13x = 24,098,411,496.97 - Step 5: Solve for x
x = 24,098,411,496.97/214,974.13 - Step 6: Final answer
x = 112,099.12
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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.