Finding the Fourth Proportional to 197,694.06, 272,837.37 and 112,823.88
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Solution
The fourth proportional to 197,694.06, 272,837.37 and 112,823.88 is: 155,708.12
Step by Step Solution
- Step 1: Write the proportion equation
197,694.06 : 272,837.37 = 112,823.88 : x - Step 2: Convert to fraction form
197,694.06/272,837.37 = 112,823.88/x - Step 3: Cross multiply
197,694.06x = 272,837.37 × 112,823.88 - Step 4: Simplify right side
197,694.06x = 30,782,570,692.40 - Step 5: Solve for x
x = 30,782,570,692.40/197,694.06 - Step 6: Final answer
x = 155,708.12
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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.