Finding the Fourth Proportional to 251,535.06, 347,108.34 and 136,813.80
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Solution
The fourth proportional to 251,535.06, 347,108.34 and 136,813.80 is: 188,797.58
Step by Step Solution
- Step 1: Write the proportion equation
251,535.06 : 347,108.34 = 136,813.80 : x - Step 2: Convert to fraction form
251,535.06/347,108.34 = 136,813.80/x - Step 3: Cross multiply
251,535.06x = 347,108.34 × 136,813.80 - Step 4: Simplify right side
251,535.06x = 47,489,211,007.09 - Step 5: Solve for x
x = 47,489,211,007.09/251,535.06 - Step 6: Final answer
x = 188,797.58
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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.