Finding the Fourth Proportional to 351,701.92, 485,319.09 and 198,753.40
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Solution
The fourth proportional to 351,701.92, 485,319.09 and 198,753.40 is: 274,262.99
Step by Step Solution
- Step 1: Write the proportion equation
351,701.92 : 485,319.09 = 198,753.40 : x - Step 2: Convert to fraction form
351,701.92/485,319.09 = 198,753.40/x - Step 3: Cross multiply
351,701.92x = 485,319.09 × 198,753.40 - Step 4: Simplify right side
351,701.92x = 96,458,819,222.41 - Step 5: Solve for x
x = 96,458,819,222.41/351,701.92 - Step 6: Final answer
x = 274,262.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.