Finding the Fourth Proportional to 410,635.24, 615,974.94 and 130,174.36
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Solution
The fourth proportional to 410,635.24, 615,974.94 and 130,174.36 is: 195,268.54
Step by Step Solution
- Step 1: Write the proportion equation
410,635.24 : 615,974.94 = 130,174.36 : x - Step 2: Convert to fraction form
410,635.24/615,974.94 = 130,174.36/x - Step 3: Cross multiply
410,635.24x = 615,974.94 × 130,174.36 - Step 4: Simplify right side
410,635.24x = 80,184,143,590.54 - Step 5: Solve for x
x = 80,184,143,590.54/410,635.24 - Step 6: Final answer
x = 195,268.54
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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.