Finding the Fourth Proportional to 328,902.74, 453,872.97 and 206,460.98
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Solution
The fourth proportional to 328,902.74, 453,872.97 and 206,460.98 is: 284,908.11
Step by Step Solution
- Step 1: Write the proportion equation
328,902.74 : 453,872.97 = 206,460.98 : x - Step 2: Convert to fraction form
328,902.74/453,872.97 = 206,460.98/x - Step 3: Cross multiply
328,902.74x = 453,872.97 × 206,460.98 - Step 4: Simplify right side
328,902.74x = 93,707,058,181.71 - Step 5: Solve for x
x = 93,707,058,181.71/328,902.74 - Step 6: Final answer
x = 284,908.11
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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.