Finding the Fourth Proportional to 274,634.35, 411,751.91 and 114,756.05
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Solution
The fourth proportional to 274,634.35, 411,751.91 and 114,756.05 is: 172,050.66
Step by Step Solution
- Step 1: Write the proportion equation
274,634.35 : 411,751.91 = 114,756.05 : x - Step 2: Convert to fraction form
274,634.35/411,751.91 = 114,756.05/x - Step 3: Cross multiply
274,634.35x = 411,751.91 × 114,756.05 - Step 4: Simplify right side
274,634.35x = 47,251,021,778.83 - Step 5: Solve for x
x = 47,251,021,778.83/274,634.35 - Step 6: Final answer
x = 172,050.66
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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.