Finding the Fourth Proportional to 193,584.75, 290,388.06 and 68,925.75
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Solution
The fourth proportional to 193,584.75, 290,388.06 and 68,925.75 is: 103,392.52
Step by Step Solution
- Step 1: Write the proportion equation
193,584.75 : 290,388.06 = 68,925.75 : x - Step 2: Convert to fraction form
193,584.75/290,388.06 = 68,925.75/x - Step 3: Cross multiply
193,584.75x = 290,388.06 × 68,925.75 - Step 4: Simplify right side
193,584.75x = 20,015,214,826.55 - Step 5: Solve for x
x = 20,015,214,826.55/193,584.75 - Step 6: Final answer
x = 103,392.52
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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.