Finding the Fourth Proportional to 218,364.36, 301,507.06 and 214,876.75
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Solution
The fourth proportional to 218,364.36, 301,507.06 and 214,876.75 is: 296,691.54
Step by Step Solution
- Step 1: Write the proportion equation
218,364.36 : 301,507.06 = 214,876.75 : x - Step 2: Convert to fraction form
218,364.36/301,507.06 = 214,876.75/x - Step 3: Cross multiply
218,364.36x = 301,507.06 × 214,876.75 - Step 4: Simplify right side
218,364.36x = 64,786,856,832.12 - Step 5: Solve for x
x = 64,786,856,832.12/218,364.36 - Step 6: Final answer
x = 296,691.54
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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.