Finding the Fourth Proportional to 251,974.33, 347,724.60 and 138,797.08
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Solution
The fourth proportional to 251,974.33, 347,724.60 and 138,797.08 is: 191,539.98
Step by Step Solution
- Step 1: Write the proportion equation
251,974.33 : 347,724.60 = 138,797.08 : x - Step 2: Convert to fraction form
251,974.33/347,724.60 = 138,797.08/x - Step 3: Cross multiply
251,974.33x = 347,724.60 × 138,797.08 - Step 4: Simplify right side
251,974.33x = 48,263,159,124.17 - Step 5: Solve for x
x = 48,263,159,124.17/251,974.33 - Step 6: Final answer
x = 191,539.98
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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.