Finding the Fourth Proportional to 160,135.43, 240,277.86 and 71,379.68
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Solution
The fourth proportional to 160,135.43, 240,277.86 and 71,379.68 is: 107,102.82
Step by Step Solution
- Step 1: Write the proportion equation
160,135.43 : 240,277.86 = 71,379.68 : x - Step 2: Convert to fraction form
160,135.43/240,277.86 = 71,379.68/x - Step 3: Cross multiply
160,135.43x = 240,277.86 × 71,379.68 - Step 4: Simplify right side
160,135.43x = 17,150,955,556.50 - Step 5: Solve for x
x = 17,150,955,556.50/160,135.43 - Step 6: Final answer
x = 107,102.82
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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.