Finding the Fourth Proportional to 218,475.18, 301,494.96 and 122,982.12
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Solution
The fourth proportional to 218,475.18, 301,494.96 and 122,982.12 is: 169,714.88
Step by Step Solution
- Step 1: Write the proportion equation
218,475.18 : 301,494.96 = 122,982.12 : x - Step 2: Convert to fraction form
218,475.18/301,494.96 = 122,982.12/x - Step 3: Cross multiply
218,475.18x = 301,494.96 × 122,982.12 - Step 4: Simplify right side
218,475.18x = 37,078,489,350.12 - Step 5: Solve for x
x = 37,078,489,350.12/218,475.18 - Step 6: Final answer
x = 169,714.88
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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.