Finding the Fourth Proportional to 218,305.02, 301,260.42 and 122,811.69
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Solution
The fourth proportional to 218,305.02, 301,260.42 and 122,811.69 is: 169,479.85
Step by Step Solution
- Step 1: Write the proportion equation
218,305.02 : 301,260.42 = 122,811.69 : x - Step 2: Convert to fraction form
218,305.02/301,260.42 = 122,811.69/x - Step 3: Cross multiply
218,305.02x = 301,260.42 × 122,811.69 - Step 4: Simplify right side
218,305.02x = 36,998,301,310.31 - Step 5: Solve for x
x = 36,998,301,310.31/218,305.02 - Step 6: Final answer
x = 169,479.85
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1.5x scale
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.