Finding the Fourth Proportional to 410,247.12, 615,365.73 and 106,614.38
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Solution
The fourth proportional to 410,247.12, 615,365.73 and 106,614.38 is: 159,920.28
Step by Step Solution
- Step 1: Write the proportion equation
410,247.12 : 615,365.73 = 106,614.38 : x - Step 2: Convert to fraction form
410,247.12/615,365.73 = 106,614.38/x - Step 3: Cross multiply
410,247.12x = 615,365.73 × 106,614.38 - Step 4: Simplify right side
410,247.12x = 65,606,832,700.37 - Step 5: Solve for x
x = 65,606,832,700.37/410,247.12 - Step 6: Final answer
x = 159,920.28
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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.