Finding the Fourth Proportional to 410,211.09, 615,420.56 and 125,916.05
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Solution
The fourth proportional to 410,211.09, 615,420.56 and 125,916.05 is: 188,905.98
Step by Step Solution
- Step 1: Write the proportion equation
410,211.09 : 615,420.56 = 125,916.05 : x - Step 2: Convert to fraction form
410,211.09/615,420.56 = 125,916.05/x - Step 3: Cross multiply
410,211.09x = 615,420.56 × 125,916.05 - Step 4: Simplify right side
410,211.09x = 77,491,327,857.33 - Step 5: Solve for x
x = 77,491,327,857.33/410,211.09 - Step 6: Final answer
x = 188,905.98
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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.