Finding the Fourth Proportional to 292,981.97, 439,020.63 and 197,839.28
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Solution
The fourth proportional to 292,981.97, 439,020.63 and 197,839.28 is: 296,453.48
Step by Step Solution
- Step 1: Write the proportion equation
292,981.97 : 439,020.63 = 197,839.28 : x - Step 2: Convert to fraction form
292,981.97/439,020.63 = 197,839.28/x - Step 3: Cross multiply
292,981.97x = 439,020.63 × 197,839.28 - Step 4: Simplify right side
292,981.97x = 86,855,523,149.24 - Step 5: Solve for x
x = 86,855,523,149.24/292,981.97 - Step 6: Final answer
x = 296,453.48
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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.