Finding the Fourth Proportional to 143,175.44, 214,668.36 and 68,307.14
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Solution
The fourth proportional to 143,175.44, 214,668.36 and 68,307.14 is: 102,415.48
Step by Step Solution
- Step 1: Write the proportion equation
143,175.44 : 214,668.36 = 68,307.14 : x - Step 2: Convert to fraction form
143,175.44/214,668.36 = 68,307.14/x - Step 3: Cross multiply
143,175.44x = 214,668.36 × 68,307.14 - Step 4: Simplify right side
143,175.44x = 14,663,380,646.75 - Step 5: Solve for x
x = 14,663,380,646.75/143,175.44 - Step 6: Final answer
x = 102,415.48
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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.