Finding the Fourth Proportional to 267,808.39, 401,714.85 and 68,128.94
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Solution
The fourth proportional to 267,808.39, 401,714.85 and 68,128.94 is: 102,193.99
Step by Step Solution
- Step 1: Write the proportion equation
267,808.39 : 401,714.85 = 68,128.94 : x - Step 2: Convert to fraction form
267,808.39/401,714.85 = 68,128.94/x - Step 3: Cross multiply
267,808.39x = 401,714.85 × 68,128.94 - Step 4: Simplify right side
267,808.39x = 27,368,408,172.53 - Step 5: Solve for x
x = 27,368,408,172.53/267,808.39 - Step 6: Final answer
x = 102,193.99
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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.