Finding the Fourth Proportional to 252,095.40, 378,201.42 and 111,864.96
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Solution
The fourth proportional to 252,095.40, 378,201.42 and 111,864.96 is: 167,823.32
Step by Step Solution
- Step 1: Write the proportion equation
252,095.40 : 378,201.42 = 111,864.96 : x - Step 2: Convert to fraction form
252,095.40/378,201.42 = 111,864.96/x - Step 3: Cross multiply
252,095.40x = 378,201.42 × 111,864.96 - Step 4: Simplify right side
252,095.40x = 42,307,486,720.24 - Step 5: Solve for x
x = 42,307,486,720.24/252,095.40 - Step 6: Final answer
x = 167,823.32
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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.