Finding the Fourth Proportional to 352,238.10, 528,431.67 and 115,560.96
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Solution
The fourth proportional to 352,238.10, 528,431.67 and 115,560.96 is: 173,365.89
Step by Step Solution
- Step 1: Write the proportion equation
352,238.10 : 528,431.67 = 115,560.96 : x - Step 2: Convert to fraction form
352,238.10/528,431.67 = 115,560.96/x - Step 3: Cross multiply
352,238.10x = 528,431.67 × 115,560.96 - Step 4: Simplify right side
352,238.10x = 61,066,071,079.60 - Step 5: Solve for x
x = 61,066,071,079.60/352,238.10 - Step 6: Final answer
x = 173,365.89
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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.