Finding the Fourth Proportional to 218,635.67, 299,750.61 and 214,650.47
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Solution
The fourth proportional to 218,635.67, 299,750.61 and 214,650.47 is: 294,286.88
Step by Step Solution
- Step 1: Write the proportion equation
218,635.67 : 299,750.61 = 214,650.47 : x - Step 2: Convert to fraction form
218,635.67/299,750.61 = 214,650.47/x - Step 3: Cross multiply
218,635.67x = 299,750.61 × 214,650.47 - Step 4: Simplify right side
218,635.67x = 64,341,609,666.19 - Step 5: Solve for x
x = 64,341,609,666.19/218,635.67 - Step 6: Final answer
x = 294,286.88
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.