Finding the Fourth Proportional to 115,105.36, 172,577.62 and 51,028.65
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Solution
The fourth proportional to 115,105.36, 172,577.62 and 51,028.65 is: 76,507.32
Step by Step Solution
- Step 1: Write the proportion equation
115,105.36 : 172,577.62 = 51,028.65 : x - Step 2: Convert to fraction form
115,105.36/172,577.62 = 51,028.65/x - Step 3: Cross multiply
115,105.36x = 172,577.62 × 51,028.65 - Step 4: Simplify right side
115,105.36x = 8,806,402,968.81 - Step 5: Solve for x
x = 8,806,402,968.81/115,105.36 - Step 6: Final answer
x = 76,507.32
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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.