Finding the Fourth Proportional to 251,496.24, 347,059.08 and 138,320.88
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Solution
The fourth proportional to 251,496.24, 347,059.08 and 138,320.88 is: 190,879.66
Step by Step Solution
- Step 1: Write the proportion equation
251,496.24 : 347,059.08 = 138,320.88 : x - Step 2: Convert to fraction form
251,496.24/347,059.08 = 138,320.88/x - Step 3: Cross multiply
251,496.24x = 347,059.08 × 138,320.88 - Step 4: Simplify right side
251,496.24x = 48,005,517,357.59 - Step 5: Solve for x
x = 48,005,517,357.59/251,496.24 - Step 6: Final answer
x = 190,879.66
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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.