Finding the Fourth Proportional to 252,883.91, 349,003.92 and 138,179.99
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Solution
The fourth proportional to 252,883.91, 349,003.92 and 138,179.99 is: 190,701.57
Step by Step Solution
- Step 1: Write the proportion equation
252,883.91 : 349,003.92 = 138,179.99 : x - Step 2: Convert to fraction form
252,883.91/349,003.92 = 138,179.99/x - Step 3: Cross multiply
252,883.91x = 349,003.92 × 138,179.99 - Step 4: Simplify right side
252,883.91x = 48,225,358,175.56 - Step 5: Solve for x
x = 48,225,358,175.56/252,883.91 - Step 6: Final answer
x = 190,701.57
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.