Finding the Fourth Proportional to 345,988.70, 477,453.57 and 202,844.08
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Solution
The fourth proportional to 345,988.70, 477,453.57 and 202,844.08 is: 279,918.47
Step by Step Solution
- Step 1: Write the proportion equation
345,988.70 : 477,453.57 = 202,844.08 : x - Step 2: Convert to fraction form
345,988.70/477,453.57 = 202,844.08/x - Step 3: Cross multiply
345,988.70x = 477,453.57 × 202,844.08 - Step 4: Simplify right side
345,988.70x = 96,848,627,762.10 - Step 5: Solve for x
x = 96,848,627,762.10/345,988.70 - Step 6: Final answer
x = 279,918.47
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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.