Finding the Fourth Proportional to 195,665.20, 293,497.80 and 193,040.80
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Solution
The fourth proportional to 195,665.20, 293,497.80 and 193,040.80 is: 289,561.20
Step by Step Solution
- Step 1: Write the proportion equation
195,665.20 : 293,497.80 = 193,040.80 : x - Step 2: Convert to fraction form
195,665.20/293,497.80 = 193,040.80/x - Step 3: Cross multiply
195,665.20x = 293,497.80 × 193,040.80 - Step 4: Simplify right side
195,665.20x = 56,657,050,110.24 - Step 5: Solve for x
x = 56,657,050,110.24/195,665.20 - Step 6: Final answer
x = 289,561.20
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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.