Finding the Fourth Proportional to 378,797.76, 568,098.36 and 112,495.68
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Solution
The fourth proportional to 378,797.76, 568,098.36 and 112,495.68 is: 168,714.33
Step by Step Solution
- Step 1: Write the proportion equation
378,797.76 : 568,098.36 = 112,495.68 : x - Step 2: Convert to fraction form
378,797.76/568,098.36 = 112,495.68/x - Step 3: Cross multiply
378,797.76x = 568,098.36 × 112,495.68 - Step 4: Simplify right side
378,797.76x = 63,908,611,315.08 - Step 5: Solve for x
x = 63,908,611,315.08/378,797.76 - Step 6: Final answer
x = 168,714.33
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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.