Finding the Fourth Proportional to 195,028.18, 292,542.27 and 68,638.66
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Solution
The fourth proportional to 195,028.18, 292,542.27 and 68,638.66 is: 102,957.99
Step by Step Solution
- Step 1: Write the proportion equation
195,028.18 : 292,542.27 = 68,638.66 : x - Step 2: Convert to fraction form
195,028.18/292,542.27 = 68,638.66/x - Step 3: Cross multiply
195,028.18x = 292,542.27 × 68,638.66 - Step 4: Simplify right side
195,028.18x = 20,079,709,406.16 - Step 5: Solve for x
x = 20,079,709,406.16/195,028.18 - Step 6: Final answer
x = 102,957.99
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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.