Finding the Fourth Proportional to 403,605.70, 556,975.87 and 222,317.07
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Solution
The fourth proportional to 403,605.70, 556,975.87 and 222,317.07 is: 306,797.56
Step by Step Solution
- Step 1: Write the proportion equation
403,605.70 : 556,975.87 = 222,317.07 : x - Step 2: Convert to fraction form
403,605.70/556,975.87 = 222,317.07/x - Step 3: Cross multiply
403,605.70x = 556,975.87 × 222,317.07 - Step 4: Simplify right side
403,605.70x = 123,825,243,479.10 - Step 5: Solve for x
x = 123,825,243,479.10/403,605.70 - Step 6: Final answer
x = 306,797.56
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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.