Finding the Fourth Proportional to 193,978.29, 290,894.84 and 67,586.09
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Solution
The fourth proportional to 193,978.29, 290,894.84 and 67,586.09 is: 101,353.84
Step by Step Solution
- Step 1: Write the proportion equation
193,978.29 : 290,894.84 = 67,586.09 : x - Step 2: Convert to fraction form
193,978.29/290,894.84 = 67,586.09/x - Step 3: Cross multiply
193,978.29x = 290,894.84 × 67,586.09 - Step 4: Simplify right side
193,978.29x = 19,660,444,498.85 - Step 5: Solve for x
x = 19,660,444,498.85/193,978.29 - Step 6: Final answer
x = 101,353.84
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.