Finding the Fourth Proportional to 700,907.65, 1,051,361.36 and 168,428.68
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Solution
The fourth proportional to 700,907.65, 1,051,361.36 and 168,428.68 is: 252,642.99
Step by Step Solution
- Step 1: Write the proportion equation
700,907.65 : 1,051,361.36 = 168,428.68 : x - Step 2: Convert to fraction form
700,907.65/1,051,361.36 = 168,428.68/x - Step 3: Cross multiply
700,907.65x = 1,051,361.36 × 168,428.68 - Step 4: Simplify right side
700,907.65x = 177,079,406,067.81 - Step 5: Solve for x
x = 177,079,406,067.81/700,907.65 - Step 6: Final answer
x = 252,642.99
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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.