Finding the Fourth Proportional to 292,668.24, 439,028.28 and 82,307.92
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Solution
The fourth proportional to 292,668.24, 439,028.28 and 82,307.92 is: 123,469.17
Step by Step Solution
- Step 1: Write the proportion equation
292,668.24 : 439,028.28 = 82,307.92 : x - Step 2: Convert to fraction form
292,668.24/439,028.28 = 82,307.92/x - Step 3: Cross multiply
292,668.24x = 439,028.28 × 82,307.92 - Step 4: Simplify right side
292,668.24x = 36,135,504,547.98 - Step 5: Solve for x
x = 36,135,504,547.98/292,668.24 - Step 6: Final answer
x = 123,469.17
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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.