Finding the Fourth Proportional to 207,507.12, 311,357.88 and 102,268.68
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Solution
The fourth proportional to 207,507.12, 311,357.88 and 102,268.68 is: 153,450.92
Step by Step Solution
- Step 1: Write the proportion equation
207,507.12 : 311,357.88 = 102,268.68 : x - Step 2: Convert to fraction form
207,507.12/311,357.88 = 102,268.68/x - Step 3: Cross multiply
207,507.12x = 311,357.88 × 102,268.68 - Step 4: Simplify right side
207,507.12x = 31,842,159,395.20 - Step 5: Solve for x
x = 31,842,159,395.20/207,507.12 - Step 6: Final answer
x = 153,450.92
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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.