Finding the Fourth Proportional to 219,284.55, 302,609.41 and 122,489.75
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Solution
The fourth proportional to 219,284.55, 302,609.41 and 122,489.75 is: 169,034.03
Step by Step Solution
- Step 1: Write the proportion equation
219,284.55 : 302,609.41 = 122,489.75 : x - Step 2: Convert to fraction form
219,284.55/302,609.41 = 122,489.75/x - Step 3: Cross multiply
219,284.55x = 302,609.41 × 122,489.75 - Step 4: Simplify right side
219,284.55x = 37,066,551,428.85 - Step 5: Solve for x
x = 37,066,551,428.85/219,284.55 - Step 6: Final answer
x = 169,034.03
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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.