Finding the Fourth Proportional to 164,272.23, 246,317.99 and 74,209.14
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Solution
The fourth proportional to 164,272.23, 246,317.99 and 74,209.14 is: 111,272.89
Step by Step Solution
- Step 1: Write the proportion equation
164,272.23 : 246,317.99 = 74,209.14 : x - Step 2: Convert to fraction form
164,272.23/246,317.99 = 74,209.14/x - Step 3: Cross multiply
164,272.23x = 246,317.99 × 74,209.14 - Step 4: Simplify right side
164,272.23x = 18,279,045,833.38 - Step 5: Solve for x
x = 18,279,045,833.38/164,272.23 - Step 6: Final answer
x = 111,272.89
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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.