Finding the Fourth Proportional to 193,471.40, 290,220.10 and 68,778.92
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Solution
The fourth proportional to 193,471.40, 290,220.10 and 68,778.92 is: 103,173.00
Step by Step Solution
- Step 1: Write the proportion equation
193,471.40 : 290,220.10 = 68,778.92 : x - Step 2: Convert to fraction form
193,471.40/290,220.10 = 68,778.92/x - Step 3: Cross multiply
193,471.40x = 290,220.10 × 68,778.92 - Step 4: Simplify right side
193,471.40x = 19,961,025,040.29 - Step 5: Solve for x
x = 19,961,025,040.29/193,471.40 - Step 6: Final answer
x = 103,173.00
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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.