Finding the Fourth Proportional to 219,134.20, 328,743.92 and 84,188.44
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Solution
The fourth proportional to 219,134.20, 328,743.92 and 84,188.44 is: 126,299.03
Step by Step Solution
- Step 1: Write the proportion equation
219,134.20 : 328,743.92 = 84,188.44 : x - Step 2: Convert to fraction form
219,134.20/328,743.92 = 84,188.44/x - Step 3: Cross multiply
219,134.20x = 328,743.92 × 84,188.44 - Step 4: Simplify right side
219,134.20x = 27,676,437,784.28 - Step 5: Solve for x
x = 27,676,437,784.28/219,134.20 - Step 6: Final answer
x = 126,299.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.