Finding the Fourth Proportional to 349,306.74, 482,014.53 and 206,072.82
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Solution
The fourth proportional to 349,306.74, 482,014.53 and 206,072.82 is: 284,363.52
Step by Step Solution
- Step 1: Write the proportion equation
349,306.74 : 482,014.53 = 206,072.82 : x - Step 2: Convert to fraction form
349,306.74/482,014.53 = 206,072.82/x - Step 3: Cross multiply
349,306.74x = 482,014.53 × 206,072.82 - Step 4: Simplify right side
349,306.74x = 99,330,093,478.07 - Step 5: Solve for x
x = 99,330,093,478.07/349,306.74 - Step 6: Final answer
x = 284,363.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.