Finding the Fourth Proportional to 195,352.62, 293,028.92 and 128,777.18
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Solution
The fourth proportional to 195,352.62, 293,028.92 and 128,777.18 is: 193,165.76
Step by Step Solution
- Step 1: Write the proportion equation
195,352.62 : 293,028.92 = 128,777.18 : x - Step 2: Convert to fraction form
195,352.62/293,028.92 = 128,777.18/x - Step 3: Cross multiply
195,352.62x = 293,028.92 × 128,777.18 - Step 4: Simplify right side
195,352.62x = 37,735,437,976.05 - Step 5: Solve for x
x = 37,735,437,976.05/195,352.62 - Step 6: Final answer
x = 193,165.76
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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.