Finding the Fourth Proportional to 207,870.08, 311,659.97 and 106,471.19
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Solution
The fourth proportional to 207,870.08, 311,659.97 and 106,471.19 is: 159,632.44
Step by Step Solution
- Step 1: Write the proportion equation
207,870.08 : 311,659.97 = 106,471.19 : x - Step 2: Convert to fraction form
207,870.08/311,659.97 = 106,471.19/x - Step 3: Cross multiply
207,870.08x = 311,659.97 × 106,471.19 - Step 4: Simplify right side
207,870.08x = 33,182,808,294.14 - Step 5: Solve for x
x = 33,182,808,294.14/207,870.08 - Step 6: Final answer
x = 159,632.44
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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.