Finding the Fourth Proportional to 207,246.76, 310,837.02 and 74,102.20
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Solution
The fourth proportional to 207,246.76, 310,837.02 and 74,102.20 is: 111,141.46
Step by Step Solution
- Step 1: Write the proportion equation
207,246.76 : 310,837.02 = 74,102.20 : x - Step 2: Convert to fraction form
207,246.76/310,837.02 = 74,102.20/x - Step 3: Cross multiply
207,246.76x = 310,837.02 × 74,102.20 - Step 4: Simplify right side
207,246.76x = 23,033,707,023.44 - Step 5: Solve for x
x = 23,033,707,023.44/207,246.76 - Step 6: Final answer
x = 111,141.46
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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.