Finding the Fourth Proportional to 219,388.18, 302,785.75 and 126,251.99
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Solution
The fourth proportional to 219,388.18, 302,785.75 and 126,251.99 is: 174,245.05
Step by Step Solution
- Step 1: Write the proportion equation
219,388.18 : 302,785.75 = 126,251.99 : x - Step 2: Convert to fraction form
219,388.18/302,785.75 = 126,251.99/x - Step 3: Cross multiply
219,388.18x = 302,785.75 × 126,251.99 - Step 4: Simplify right side
219,388.18x = 38,227,304,200.83 - Step 5: Solve for x
x = 38,227,304,200.83/219,388.18 - Step 6: Final answer
x = 174,245.05
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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.