Finding the Fourth Proportional to 301,879.62, 416,154.87 and 210,953.37
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Solution
The fourth proportional to 301,879.62, 416,154.87 and 210,953.37 is: 290,808.87
Step by Step Solution
- Step 1: Write the proportion equation
301,879.62 : 416,154.87 = 210,953.37 : x - Step 2: Convert to fraction form
301,879.62/416,154.87 = 210,953.37/x - Step 3: Cross multiply
301,879.62x = 416,154.87 × 210,953.37 - Step 4: Simplify right side
301,879.62x = 87,789,272,268.41 - Step 5: Solve for x
x = 87,789,272,268.41/301,879.62 - Step 6: Final answer
x = 290,808.87
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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.