Finding the Fourth Proportional to 403,606.21, 556,850.82 and 229,147.87
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Solution
The fourth proportional to 403,606.21, 556,850.82 and 229,147.87 is: 316,152.67
Step by Step Solution
- Step 1: Write the proportion equation
403,606.21 : 556,850.82 = 229,147.87 : x - Step 2: Convert to fraction form
403,606.21/556,850.82 = 229,147.87/x - Step 3: Cross multiply
403,606.21x = 556,850.82 × 229,147.87 - Step 4: Simplify right side
403,606.21x = 127,601,179,310.75 - Step 5: Solve for x
x = 127,601,179,310.75/403,606.21 - Step 6: Final answer
x = 316,152.67
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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.